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Host the Best Kids Birthday Party in Sussex County NJ

Birthday Parties

Celebrate Your Child’s Big Day with the Best Sussex County Venue. With themed activities or a DIY option for affordable fun. Explore options

Private Group Events

Customized classes for youth sports teams, Girl Scouts, and more, designed to build skills & teamwork.

Private Play Dates

Bring your group together for fun and bonding in a safe, private space

Space Rentals

It’s your vision! Host workshops, meetups, homeschool co ops, or gatherings tailored to your needs.

ADULT CLASSES
NEW SESSIONS START IN APRIL
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Educational & Recreational Programs for Kids, Adults, & Families in Sussex, NJ

Kids’ Classes

Starts April 18th
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Get Ready, Get Set: Together

An Interactive Baby & Parent Experience

Description:
Program Description:
Cost: $150
Age Group: Crawling-3 years
Time: Fridays 10am-10:45am
Session Length: 6wk

Join us for a dynamic Baby & Me class designed by a Master’s-level Special Education and Early Intervention Specialist with direct instruction methods. This unique experience goes beyond typical baby and me classes, offering guided parent-child interaction and expert insights on supporting your child’s early development. Each session integrates music, sensory play, and purposeful exploration, with a focus on early intervention techniques to foster your child’s growth.

You’ll receive direct instruction on how to engage with your little one, building stronger connections through play while encouraging key developmental milestones.


🛼 Class Itinerary:

Get Ready! (10-15 min)

  • Kick off with a lively hello song incorporating music, movement, and playful gestures.
  • Enjoy an interactive story where parents help bring the tale to life through prompts and actions.
  • Sing along to fingerplays and themed songs that promote fine motor skills and language development.

Get Set! (10-15 min)

  • Dive into a hands-on sensory activity designed for shared exploration:
    • Cheerio/Cereal Play: Scoop, pour, and explore textures.
    • Instrument Jam: Shake, tap, and create rhythms together.
    • Edible Sand Play: Safe, sensory fun with a sprinkle of creativity.
    • Soft Play or Sensory Bins: Age-appropriate, guided sensory exploration.
  • Parents receive coaching tips on how to model, scaffold, and extend their child’s play experience using early intervention techniques.

Go Play! (10-15 min)

  • Enjoy free play with guided direction, where you and your child engage in meaningful interactions.
  • Our expert provides real-time support, offering advice on promoting social skills, turn-taking, and imaginative play.
  • Strengthen your bond while supporting your child’s development in a fun, nurturing environment.

Come play, learn, and grow—together!

Next Session Starts April 2nd
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Tots in Motion

Program Description:
Cost: $150
Age Group: Crawling-3 years
Time: 11:00 AM – 11:45 PM
Day: Wednesday
Frequency: Weekly
Class Duration: 45 min
Session Length: 6 weeks

Meet Amaury, Parkour Instructor at Altered Course
A WFPF Level 2 Parkour Instructor, Behavioral Conditioning Coach, and Certified Holistic Health Coach with 10+ years of experience. Fluent in English and Spanish, he helps kids of all abilities build confidence, strength, and emotional regulation through athletic training.



Introducing Our Exciting Parkour Class for Crawlers to Toddlers!

Designed for little adventurers aged crawling to 3 years, this class focuses on developing fundamental movement skills through fun, parent-guided activities. Babies and toddlers will explore safe, age-appropriate movement like rolling, balancing, and reaching, all while building coordination, flexibility, and confidence. In a supportive, engaging environment, our experienced instructors create games and obstacles that encourage creative movement and interaction with parents.

Join us for a playful journey that promotes physical fitness, strengthens bonds, and fosters early socialization! This class is recurring. * 

Next Session Starts March. 19th
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Tiny Tots Parkour

Program Description:
Cost: $150
Age Group: 2-4 years
Time: 4:00-4:45pm
Day: Wednesday
Frequency: Weekly
Class Duration: 45 min
Session Length: 6 weeks

Meet Amaury, Parkour Instructor at Altered Course
A WFPF Level 2 Parkour Instructor, Behavioral Conditioning Coach, and Certified Holistic Health Coach with 10+ years of experience. Fluent in English and Spanish, he helps kids of all abilities build confidence, strength, and emotional regulation through athletic training.


Introducing our exciting Parkour class for toddlers! Designed for little adventurers aged 2 to 4, this class focuses on developing fundamental movement skills through fun and engaging activities. Toddlers will explore jumping, climbing, rolling, and balancing in a safe and supportive environment, all while enhancing their coordination, flexibility, and confidence. Our experienced instructors use age-appropriate obstacles and games to encourage exploration and creativity, helping your child discover the joy of movement.

Join us for a playful journey that promotes physical fitness and fosters social interaction among peers! This class is reoccurring*

April Date Coming Soon
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Messy Play

Program Description:
Cost: $25 Sibling: $15
Age Group: 18mnths-5 years (siblings welcomed)
Time: 9:30-10:30am
Day: Selected Saturday’s
Class Duration: 1 hour

What’s in store:
♥️ Hands-on sensory stations filled with textures, colors, and materials.
♥️ Opportunities to pour, squish, mix, and imagine—there’s no right or wrong way to play!
♥️ A welcoming space for grown-ups to join the fun or simply enjoy watching the magic unfold.

These purposeful play stations encourage exploration and problem-solving while fostering your child’s natural curiosity and creativity.

Bring your little ones (and their siblings!) for a messy -filled morning of fun and connection. Clothes that can get messy are a must, and a change of clothes is recommended—you might leave with new friends and a little paint in your hair!


PAUSED
Mindful Moments

Program Description:
Cost: $100 Siblings: $72
Age Group: 3-5
Time: 5:30-6:30pm
Day: Mondays
Frequency: Weekly
Class Duration: 40 min
Session Length: 4 weeks

In this 4-week program, children will meet for 40 minutes and
be introduced to mindfulness through theater, storytelling and
crafts. Children will explore various breathing exercises, guided imagery and movement games.

Mindfulness is paying attention with kindness and patience to
what’s going on in the moment, whether it’s the sound of your
breath, the feeling in your toes, or the world around you. It’s a
superpower that helps you stay calm and focused and
appreciate the magic in each moment. It helps us all take a
peaceful pause.

Classes are designed to provide ongoing enrichment and learning opportunities in a dynamic four-week cycle. Each session welcomes both new and returning students, ensuring a fresh and engaging experience for everyone.

learn more
Next Session Starts April 2
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Parkour

Cost: $150 Sibling Rate: $75
Age Group: 5-12
Time: 1:00-2:00pm
Day: Wednesday
Frequency: 1x a week
Class Duration: 1 hour
Session Length: 6 weeks

Meet Amaury, Parkour Instructor at Altered Course
A WFPF Level 2 Parkour Instructor, Behavioral Conditioning Coach, and Certified Holistic Health Coach with 10+ years of experience. Fluent in English and Spanish, he helps kids of all abilities build confidence, strength, and emotional regulation through athletic training.

Get ready to jump, climb, and conquer in this high-energy Parkour Class designed for kids aged 5-12! This action-packed program focuses on movement, agility, and body control through fun and challenging obstacle courses. Kids will develop fast reaction times, improve coordination, and build strength and confidence as they learn to navigate their environment with creativity and skill. The class also includes sensory games to enhance focus, balance, and spatial awareness, making it a perfect blend of physical fitness and mental sharpness. Whether your child is a natural daredevil or just looking to boost their athletic skills, this class offers a safe and exciting way to unleash their inner ninja!

This class is reoccurring & empowers students with skills that promote confidence & lifelong love for movement. Join us for an adventure that turns the world into a playground!


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Seeds of Friendship

Cost: $65 – Sibling Discount $35
Age Group: 4-8
Dates: Time: 9:30am-10:30am
Day: Tue
Frequency: weekly
Class Duration: 1 hour
Session Length: 4 classes- on going club

This ongoing drop-off class for girls aged 4-8 meets every Tuesday and is the perfect opportunity to connect, create, and grow lasting friendships! Each session features engaging crafts and activities designed to strengthen fine motor skills while encouraging teamwork, creativity, and meaningful connections. Seeds of Friendship is a nurturing space where girls can build confidence, bond with peers, and plant the seeds for lifelong friendships.

Girls Homeschool Hangout- To Register: Email edu@myalteredcourse
Girls Homeschool Hangout

Cost: $105 ( Feb-Apr)
Age Group: 9+
Time: 2:15-4:15pm
Day: Tuesdays
Frequency: 2x a month
Class Duration: 2 hours
Session Length: 6 weeks

Each session includes a craft, and girls are welcome to bring games or personal projects they’re working on at home. It’s a place to relax, hang out, and connect with other homeschool girls their age. Parents are welcome to stay or drop off.


PAUSED
Branches of Friendship

Cost: $65 – Sibling Discount $35
Age Group: 4-8
Dates: Time: 9:30am-10:30am
Day: Tue
Frequency: weekly
Class Duration: 1 hour
Session Length: 4 classes- on going club

Looking for a fun meetup for your boy (ages 4-8)? Bring him to our creative space for hands-on projects in a safe, friendly environment. Drop him off, or chill stay in the waiting area while he learns, plays, and makes new friends!


PAUSED
Boys Homeschool Hangout

Cost: $65
Age Group: 8+
Time: 2:15-4:15pm
Day: Tuesdays
Frequency: 2x a month

Looking for a fun meetup for your boy (ages 8 and up)? Bring him to our creative space for hands-on projects in a safe, friendly environment. Drop him off, or stay in the waiting area while he learns, plays, and makes new friends!

Next Session Starts April 2
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Parkour

Program Description:
Cost: $150 Sibling Rate: $75
Age Group: 4-8
Time: 5:00-6:00pm
Day: Wednesday
Frequency: Weekly
Class Duration: 1 hour
Session Length: 6 weeks

Meet Amaury, Parkour Instructor at Altered Course
A WFPF Level 2 Parkour Instructor, Behavioral Conditioning Coach, and Certified Holistic Health Coach with 10+ years of experience. Fluent in English and Spanish, he helps kids of all abilities build confidence, strength, and emotional regulation through athletic training.



Get ready to jump, climb, and conquer in this high-energy Parkour Class designed for kids aged 5-8! This action-packed program focuses on movement, agility, and body control through fun and challenging obstacle courses. Kids will develop fast reaction times, improve coordination, and build strength and confidence as they learn to navigate their environment with creativity and skill. The class also includes sensory games to enhance focus, balance, and spatial awareness, making it a perfect blend of physical fitness and mental sharpness. Whether your child is a natural daredevil or just looking to boost their athletic skills, this class offers a safe and exciting way to unleash their inner ninja!

Next Session Starts April 2
REGISTER
Parkour

Program Description:

Cost: $150 Sibling Rate: $75
Age Group: 9-12
Time: 4:30-5:30pm
Day: Wednesday
Frequency: Weekly
Class Duration: 1 hour
Session Length: 6 weeks

Meet Amaury, Parkour Instructor at Altered Course
A WFPF Level 2 Parkour Instructor, Behavioral Conditioning Coach, and Certified Holistic Health Coach with 10+ years of experience. Fluent in English and Spanish, he helps kids of all abilities build confidence, strength, and emotional regulation through athletic training.

Get ready to jump, climb, and conquer in this high-energy Parkour Class designed for kids aged 9-12! This action-packed program focuses on movement, agility, and body control through fun and challenging obstacle courses. Kids will develop fast reaction times, improve coordination, and build strength and confidence as they learn to navigate their environment with creativity and skill. The class also includes sensory games to enhance focus, balance, and spatial awareness, making it a perfect blend of physical fitness and mental sharpness. Whether your child is a natural daredevil or just looking to boost their athletic skills, this class offers a safe and exciting way to unleash their inner ninja!

This class is reoccurring & empowers students with skills that promote confidence & lifelong love for movement. Join us for an adventure that turns the world into a playground!

Starts April 18
REGISTER
Karate

Program Description:
Cost: $200
Age Group: 6 years and up
Time: 5:30-6:30PM
Day: Fridays
Starts: April 3
Frequency: Weekly
Class Duration: 1 hour
Session Length: 10 weeks

My name is Gary Castelle and I am currently the Head Instructor at Passaic Valley Martial Arts in West Milford, NJ. I hold a 2nd Degree Black Belt in Tae Kwon Do as well as a Black Belt in Krav Mage as well as being an internationally certified Krav Maga Instructor.

Martial Arts is more than physical development, its child development. Along with learning the basic blocks, kicks and hand strikes, there is an emphasis on mental focus and body control. Lesson one is Stand at Attention. I incorporate a variety of games and exercises that help to promote strength, balance and flexibility.

New Session Starts April 3
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Beginner Crochet

Program Description:
Cost: $160 Siblings: $130
Age Group: 8 years and up
Time: 5:00-6:00PM
Day: Thursdays
Starts: April 3
Frequency: Weekly
Class Duration: 1 hour
Session Length: 6 weeks

1 skein of yarn and 1 crochet hook included.

Learn how to crochet, no experience necessary! Learn a slip knot, chain stitch, and single crochet.

New Session Starts April 3
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Intermediate Crochet

Program Description:
Cost: $250 Siblings: $210
Age Group: 8 years and up
Time: 6:00-7:00PM
Day: Thursdays
Starts: April 3
Frequency: Weekly
Class Duration: 1 hour
Session Length: 6 weeks

2 skeins of yard and 2 crochet hooks included.

You will learn how to read patterns, maintain consistent tension, master advanced stitches, and work towards completing multiple projects over the course of six weeks.

Looking for the perfect venue for your baby shower? Altered Course offers amazing party packages in Sussex, NJ, and hosts all kinds of private gatherings. We offer private gatherings of all kindshomeschool meetups, co-ops, adult clubs, or senior socials. Whatever your group needs, we’re here to help. Book today and let’s make it special!

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