Kindertime Open Gym

  • Ages Walking to 6 Years
  • Most Tuesday Afternoons 12-15-1:15PM During School Year
  • See Calendar for Exact Dates
  • Join us for an open gym for you and your young ones. All participants must have a parent-signed waiver. Children MUST be supervised by a parent or caregiver AT ALL TIMES.
  • Adult Supervision is Required
  • Cost : $7 for Members, $9 for Non-members
  • Can be used as a make-up class

Grade School Open Gym

  • Ages 4 to 12
  • Select Saturday Afternoons in the Main Gym
  • Get moving at our Grade School Open gyms, held on select Saturdays and dates when school is out of session. All participants must have a parent-signed waiver. Children under 6 MUST be supervised by a parent or caregiver AT ALL TIMES.
  • Adult Supervision for kids 6 & Under is Required
  • Cost : $12 for Members, $14 for Non-members
  • Can be used as a make-up class

Ninja Open Gym

  • Ages 6+ (Including Adults!)
  • Mondays 7:05-8:05PM
    Wednesdays 7:45-8:45PM
    Fridays 6:00-7:00PM
  • Come practice in our dedicated Ninja Space at the 9650 Entrance.
  • Cost : $12 for Members, $14 for Non-members
  • Can be used as a make-up class

Adaptive Open Gym

  • Ages 4 to 11
  • Select Sunday Mornings
  • Altius Adaptive Gymnastics programs are specifically designed to accommodate children with physical or developmental disabilities. Our open gyms provide a supportive and inclusive environment where children can learn and participate in gymnastics activities that are tailored to their individual needs.
  • Intake Form Required Prior to Participation
  • Cost : $16

Birthday Parties

Tumble Down to the Best Party in Town!

  • Parties Include one hour of action packed activities in the gym with a gymnastics coach, followed by a half hour for gifts and cake. Activities may include trampoline, obstacle course, bucket rides, cargo net, climbing wall, ninja course, and parachute games. Activities vary based on ages and number of children.
  • Altius Provides Paper Products, Beverage, Utensils & Clean Up. An Altius instructor leads all activities, sets up and cleans up. Parents bring the cake and candles.
  • Party includes a tee-shirt for the birthday child, and string bags with pencil for all guests.
  • Birthday parties are held on most Saturdays and Sundays for ages 4-11. Start times are generally between 1pm and 4pm.
    Slots book Early! We recommend booking 6-8 weeks in advance to ensure your spot.
  • To register, simply click on the calendar link below to view available dates & times. Available parties will show up in green. If there are no parties listed, that date has already been booked up or is otherwise unavailable. Click on the party time of your choice. A secure Registration form will open. Agree to our party policies and input your credit card info for the $25 non-refundable deposit.
  • Parties cost $219 plus tax for up to 10 children, $10 plus tax for each additional child. Altius will process your $25 deposit payment and send out a confirmation e-mail regarding invitations and guest waivers.
  • To book a party using a free certificate: include the relevant coupon code during your online booking. The $25 deposit will be waived with addition of the code. For additional assistance, please call Altius at 414-421-1200.
  • All Guests Must Sign a Participation Waiver
View Availability Guest Participation Waiver

Field Trips

Get your group moving! Our fun-filled field trips are perfect for preschools, day cares, elementary schools, scout troops, home school groups, and church groups. Activities are based on the age and size of the group, and may include trampoline, obstacle course, ninja course, cargo net, parachute games, and our famous bucket rides!

Daytime Weekday Hours 90 Minutes

Grades K4 - 5th Able to Accomodate Groups of 12-60 Children

Contact Us for availability and pricing.


Ninja Competitions

We host UNAA and FINA Sanctioned Ninja Events, along with our own school year long series of Quick Comps.

Learn More and register for upcoming events!