About
Happy Gym Denver offers Happy Baby for ages 5-12 months, WeeOnes for ages 1-2 years old, Superstars & Sidekicks for ages 2-3 years old, Happy Hoppers for ages 3-4 years old, Sunshine crew for ages 4-5 years old, and HG Level 1 for ages 5-7 years old. Classes meet weekly and are billed monthly.
Programs
- Happy Baby — 5-12 months · $87.08 per month
- WeeOnes — 1-2 years old · $108.16 per month · 40 mins. Caregiver participation class for walkers.
- Superstars & Sidekicks — 2-3 years old · $108.16 per month · 40 mins. Hands-on class with a grown up sidekick.
- Happy Hoppers — 3-4 years old · $119.88 per month · 50 mins. Independent class packed with bouncing, balancing, and beginner gymnastics movements.
- Sunshine crew — 4-5 years old · $119.88 per month · 50 mins. Action packed class for adventurous four and five year olds.
- HG Level 1 — 5-7 years old · $119.88 per month · 50 mins. Builds a gymnastics foundation on vault, bars, beam, floor and TumblTrak with structured progressions, targeted drills, and high-energy circuits.
At a glance
- Ages: 0–7 years old
- Price range: $87.08–$119.88 per month
- General schedule: Enrollment is ongoing. Classes meet weekly and are billed monthly.
About the provider
Sarah Fennell-Cooper is the owner of Happy Gym Denver and has been in the gymnastics industry for over 20 years. She is a child development specialist and expert in preschool coach training, and she earned a Master’s degree in Educational Psychology. Happy Gym says it teaches confidence-building gymnastics classes and lets children explore, play, and grow at their own pace. It is committed to upholding the safety guidelines outlined by SafeSport.
What families say
“My child has always struggled with balance, but the progress at Happy Gym has been remarkable. She’s more coordinated and more confident. We’re thankful for Coach Sarah and the whole team—my kids look forward to every visit and love telling us about it afterward.” — Lauren Lilley, Happy Gym parent
“My daughter had such a positive experience at Happy Gym. She often experiences anxiety with new activities, but she felt confident to jump right in. The coach kept all the students engaged and made them feel included. My daughter can’t wait to get back next week!” — Meghan Wren, Happy Gym Parent
“My five year old is so excited to go to her class at Happy Gym every week. All of the coaches are so amazing and kind. Each week is something new and fun and it’s obvious how well thought out each lesson plan is. I love their focus on meeting each kids’ ability while also advancing their development.” — Rachel mohr, Happy Gym Parent
Last updated August 20, 2026.
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