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Best Indoor Birthday Party Venues Around Seattle for Little Kids

Celebrate your little one’s special day in a big way

Kate Missine

Published on: March 12, 2024

Little girls around a birthday cake blowing out the candles

Put your party hats on and get ready to celebrate your little one’s big day with one of these fabulously fun parties offered in the Puget Sound area — it will make their birthday one to remember! While welcoming all ages, these venues will be most appreciated by the 10-and-younger crowd. For fantastic parties for teens and tweens, check out this list.

Pacific Science Center, Seattle

If you have a science lover in your midst, this party is sure to please! Each party includes a science-themed experience that lasts approximately 10 minutes, is led by expert educators, and provides all the necessary supplies. You also will get a private room for 90 minutes, and your party will have a dedicated coordinator who will help welcome guests as they arrive. Packages are only available on Saturdays and Sundays at specific times (see the website for details). 

Cost: There are three options, starting at $250 (member price) for a 10-person package ($300 for non-members)

"Kids doing science experiments"
A birthday party at the Pacific Science Center is the perfect match for your budding scientist 

Roaring Mouse, Seattle

Get ready to get those creative juices flowing! This cute art studio in the Ravenna neighborhood of Seattle opens up its light-filled space on weekends to host artsy parties designed for young artists ages 2–8. The two-hour parties begin with warm-up time in the toy-stocked playroom. Then, the guests move to the studio to create an art project they get to take home, before wrapping up with food and cake. Choose from five fun project themes, including Out of This World, Treasure Boxes or the toddler-friendly Mouse Play House.

Cost: Starting at $240 for up to 12 children

Roaring Mouse
Photo credit: Roaring Mouse

Hands On Children’s Museum, Olympia

Do you have a long guest list to accommodate? The Hands On Children’s Museum in Olympia is your go-to. A favorite among South Sound families, this imaginative and educational play spot can host big bashes for as many as 50 guests, with no limit on playtime. Kiddos and parents get a full day to explore the exhibits, such as navigating a two-story cargo ship, engineering a sky-high Keva structure, and climbing up to the giant eagle’s nest. Included in the party package is one and a half hours in the indoor or outdoor party spaces, along with a template for invitations, VIP host parking and a gift bag for the birthday kid.

Cost: $375 for up to 30 guests, $605 for up to 50, with a discount for members

mom and daughter at hands on childrens museum
Photo credit: Hands On Children’s Museum

Arena Sports

Rising sports stars will love getting their game on with a party at Arena Sports, which is all about moving! Choose from one of four indoor arena locations around Greater Seattle; various party package options include inflatable play, soccer, flag football and other coach-led game action. Or head over to the Mill Creek location for amped-up play at the Family Fun Zone, featuring thrill-filled activities such as ropes courses, climbing walls, laser tag and an arcade.

Cost: Starting at $385 for up to 10 kids. A member discount is available. 

birthday boy arena sports
Photo credit: Arena Sports

Catapult Adventure Park, multiple locations

This is not your ordinary bounce house venue. Catapult Adventure Park, which has locations in Puyallup, Lakewood and Federal Way, takes the concept to a whole new level. Littles can jump, soar and roll across a whopping 25,000-square-foot playground that features inflatable attractions, slides, ball pits, obstacle courses and more. There also are awesome tube slides, along with climbing walls, a giant “cat tree” and even a ropes course and zip line for the older kiddos in your birthday crew. Meanwhile, parents can kick back in comfy massage chairs. Party packages include two hours of “launch time,” pizzas, bottled water and table settings, plus safety socks for each guest.

Cost: Starting at $330 on weekdays or $380 on weekends for 10 kids (option for up to 20 kids available)

girl on bouncy slide
Photo credit: iStock

Sno-King Arena, multiple locations

Winter or summer, the indoor ice rinks at Sno-King Arenas are an awesome way to get active and have fun with friends, so lace up those skates and hit the ice with a skating party. Party packages at one of three Eastside locations include admission to the entire length of a public skate session for 15–30 guests, plus skate rentals, goodie bags and a private party room, complete with a balloon bouquet and a case of water (hosts provide all other food if desired).

Cost: Party options vary by location and range from $300–$480. Visit the website of the location you are interested in (Kirkland, Renton or Snoqualimie) for more details.   

"Three kids wearing ice skates lying on the ice smiling at the camera"
Photo credit: Sno-King Arena

The Slime Factory, Bellevue

It’s no secret that kids love slime. The Slime Factory, located in Bellevue’s Factoria Mall, invites slime lovers to get messy to their hearts’ content — and the parents don’t need to deal with the cleanup. The group booking is for a minimum of five guests and includes two hours of private slime-making and decorating, sensory pool play, selfie photo spots, and a cool certificate of participation for each guest. Food time isn’t included, so plan to hit up one of the nearby eateries, such as Red Robin or Cold Stone Creamery, for post-party treats!

Cost: Party rates (for a minimum of 5 kids) start at $175. There is a clean-up fee added ($2 per child); if you’ve ever tried to clean up slime you’ll know it’s worth every penny! 

boy holding pink slime
Photo credit: iStock

Wunderkind, Seattle

This neighborhood spot in Bryant, which first opened as a Lego café, has become a super-popular hangout with local families. Wunderkind has since switched focus to enrichment programs and events, but Lego remains a highlight. Little builders and engineers are invited to spend an hour building the creations of their dreams with an endless supply of Lego or Duplo blocks (more complex themed building parties are available for the older crowd), followed by 30 minutes of eating parent-supplied treats in the party room, which has access to an awesome outdoor deck.

Cost: Starting at $225 plus tax

legos and kids at wunderkind
Photo credit: Wunderkind

Infinity Farm, Issaquah

Cuddly farm animals, hay to play in and plenty of outdoor space to run around? Sounds like the perfect party recipe to us! Head over to Issaquah’s Infinity Farm for some fantastic birthday fun on the farm. Choose from a basic party package, which features the opportunity to feed the farm’s adorable alpacas and other critters; or an inclusive package that also comes with a guided tour, party activities and a full setup, including tents, adult- and toddler-size tables, a bubble machine, a sound system and more. Other ultra-fun add-ons are available at an extra cost — from bounce houses to a fire pit and s’mores kit.

Cost: $150/hour for basic package for up to 50 guests; $195/hour for inclusive package for up to 150 guests

Infinity Farms
Photo credit: Infinity Farms

Dizzy’s Tumblebus, any location

Are you rrready to … tumble? Then get set for tumbling, rolling, climbing, jumping and lots more — all inside the coolest-ever yellow bus! Bellevue’s Dizzy’s Tumblebus is a local institution: a preschool gymnastics studio made up of school buses that have been converted into tot-friendly mini gyms, fully stocked with all of the play equipment they could want to burn off that birthday cake rush! Get ready for excited squeals as the bus drives up to your location of choice (a flat parking surface is required). Trained instructors spend an hour leading littles in games and activities, finishing with medals for everyone. As many as 12 kids are allowed on the bus at a time, and older or younger siblings are welcome to join in.

Cost: Starting at $350 for 12 kids

black kid in gymnasium
Photo credit: iStock

The Moonpaper Tent, any location

Want to host a party in the comfort of your own home, park or other space, but without the stress of coming up with the activities? Leave it up to the incredibly creative folks at The Moonpaper Tent. This theater and arts studio brings the entertainment to you, engaging your young guests in one and a half hours of imaginative thematic play — such as creative drama, dress-up, face painting, crafts, treasure hunts and more. Choose from one of the offered themes, or conjure your own wild ideas — anything the birthday kiddo can dream up will be transformed into a unique magic-filled activity.

Cost: Starting at $295 for 10 kids

little girl sparkly cupcake birthday
Photo credit: Moonpaper Tent

Dino Birthday Parties at the Burke Museum, Seattle

Got a dinosaur enthusiasts? If so, this might be the party of their dreams. The party package includes museum admission for guests, a private party room, a dinosaur craft and a scavenger hunt. After the party, don’t forget to visit the Fossils Uncovered gallery which features one of the best-preserved T. rex skulls in the world!

Parties can be scheduled on weekends only during two specific time slots. See the website for details. 

Cost: Starting at $350 for up to 20 youth participants

burke museum dinos
Photo credit: Burke Museum

Editor’s note: This article was first published in the fall of 2022 and has been updated most recently in March 2024.

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