Ages 4–12 · 4 Locations
Tired of the Same Birthday Party?
Trade bounce houses for beakers. Real experiments, real scientists, zero setup or cleanup.
12,000+
Birthdays celebrated all-time
2,400+
Parties hosted each year
414
Booked so far in 2026
$10 per month
Join the Birthday Club
- Monthly Kids Party with Food & DJ
- 10%–30% off party rentals
- KSL T-Shirt
- STEM Kit Box
Book Your Party
Four quick steps. Saturdays & Sundays · 90-minute blocks.
1Location
2Package
3Date
4Time
1. Choose a location
Pick a Package
Mysteries of Science
$395
75 min · Up to 20 kids
Three mind-blowing experiments, lab coats & goggles, and a self-serve celebration room.
Most Popular
Super Slime Party
$595
90 min · Up to 20 kids
Four experiments plus a custom slime bar where every guest builds their own take-home slime.
Big Birthday Blowout
$825
90 min · 20+ kids
Six experiments, custom slime bar, private 3,000sf lab, dedicated host, and STEM take-home kits.
Ultimate Science Package
$1,195
2 hours · Up to 30 kids
The full KSL experience: 7+ experiments, custom slime bar, lab coats & goggles, dedicated host team, private 3,000sf lab, premium STEM take-home kits, and a personalized celebration room. Our most popular for milestone birthdays.
See a Party in Action
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