An indoor playground for young kids in Windsor, with locations in Wellington and, from Nov 30 2026, Greeley. It lends communication boards (ask the Monster Wrangler when you arrive), posts first/then picture signs for the safety rules, and runs sensory friendly hours with pre-registration.
Sensory supports. Communication boards, first/then signs.
Hours
Windsor: 9 am to 7 pm Sunday, Monday, Wednesday, Thursday and Saturday; 9 am to 4:30 pm Friday; closed Tuesdays. Toddler time is Wednesday from 9 am to noon, for kids 5 and under, and kids with special needs are invited too. Wellington and Greeley keep their own hours (below).
Supports for autistic kids, in the playground's words
“Playground-specific communication boards” “simply ask the Monster Wrangler working to borrow one of our communication boards when you arrive!”
“We have signs displayed around the playground using the ‘first, then’ concept, combined with real photos of actual scenarios.”
“Sensory friendly hours: Enjoy our limited capacity sensory friendly events designed specifically for our autism and neurodivergent families. Pre-registration required.”
Toddler time: “We strive to create an inclusive environment and also invite lil monsters with special needs to join this dedicated play time as well.”
At its last sensory friendly hours, held at Windsor outside normal hours, the playground used rope lighting only (all other lights off), no music, a maximum of 12 kids with pre-registration, and a cozy corner with a compression sensory pod, a weighted blanket and a sensory bubble lamp. The usual waiver and socks rules still applied. Each date has its own registration link on the Lil Monsters calendar.
Loose things come out of pockets before playing, so a fidget or comfort item may need to stay with you.
When you arrive, ask the Monster Wrangler working to borrow a communication board.
Sensory friendly hours are limited-capacity events for autism and neurodivergent families, and pre-registration is required; watch the Lil Monsters calendar for the next date.
Kids from walking age to 12 years old: $15 for all day. One grown-up per kid is free; each extra grown-up is $3. A 10-visit punch pass is $125.
Socks are mandatory for kids and grown-ups (shoes off); Lil Monsters socks are $6 at check-in. Every guest signs the safety waiver, and adult caregivers must stay on the premises to watch and help their kids the whole time.
For kids not yet walking, the pricing page reads: “Monster in training (not yet walking)” “Free with lil monster” “$15 minimum entrance fee”.
Wellington, 6599 Buttercup Dr, Unit 5: 9 am to 4:30 pm Sunday, Monday, Friday and Saturday; 9 am to 7 pm Tuesday and Wednesday; closed Thursday. Toddler time is Tuesday from 9 am to noon, for kids 5 and under, and kids with special needs are invited too. On the fourth Wednesday of every month, LMP Wellington offers $5 entries for EBT cardholders. Call (970) 825-5334.
Greeley, 2170 35th Ave, Unit B, opens Nov 30 2026: 9 am to 7 pm Sunday, Monday, Tuesday, Thursday and Saturday; 9 am to 4:30 pm Friday; closed Wednesday. Toddler time is Thursday from 9 am to noon, for kids 5 and under. Questions by email to roar@lilmonstersplayground.com.
The playground lists cozy nooks, and Windsor has comfy seating and a coffee bar for grown-ups.
Rules: remove loose things from pockets before playing; no vapes or pocket knives past the check-in gate; no climbing on the outside of the equipment and no going down slides head-first; follow the posted signs and the staff; no weapons, drugs or alcohol; tobacco stays in the car; treat everyone with respect; ask staff for help before touching or lifting a child who isn't yours, unless there's an immediate risk of physical danger; get consent before posting photos of anyone online. Anyone who doesn't follow the rules may be asked to leave.
Birthday parties are booked ahead; walk-in parties aren't allowed.
Windsor questions: call (970) 795-4010 or email roar@lilmonstersplayground.com.
