The Treehouse is an indoor play area at the Williston Fitness Center for children ages 12 and under. Admission is free for fitness center members and $6 for non-members. The fitness center offers play areas dedicated to kids, including the Treehouse (an indoor play area) and a splash pad in the pool area. The center also offers childcare services for adults using the fitness facilities. There are vending machines onsite for snacks, but you may want to pack a picnic lunch if you plan to make a day of it. Their is also an indoor splash pad with a zero-depth entry pool and frog waterslide. Please call for splash pad fees. The indoor play area has a tree house theme and is designed for kids 5 and under. It has a cheerful and colorful climbing structure with age-appropriate slides. Membership is only open to Minnetonka and St. Louis Park Residents (however they list non-resident prices, so maybe that is changing?). In 2020, a Family/Household membership is again $72/month or $820/year. Family is considered one or two adults plus children 21 and under living at the same address. The center offers both swimming and play area birthday parties. Parties can be booked by both members and non-members with a discount for members. Find more information and more parties like this: Twin Cities Birthday Parties for Kids: Active Play & Sports. 
The Indoor Splash Pad
Williston Treehouse Indoor Play Area
Find more indoor play areas here.
Membership to Williston Fitness Center
Birthday Parties
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