☀️ Summer 2026 dates filling fast — May through August books up quickly. Secure your spot today!

Book Your Summer Slime Party

Summer dates are going fast — pick your package, lock in your date, and we'll handle everything.

Serving Lehigh Valley, PA — Allentown, Bethlehem, Easton, and surrounding areas.
★★★★★ Why Parents Love Us
✓ Trusted by Lehigh Valley families
★★★★★
Best party we've ever thrown for our daughter. She STILL talks about it four months later. I didn't have to do a single thing.
Sarah M. · Allentown · Deluxe Package
★★★★★
We had Cosmic Slime last year and literally just booked again for this summer. It's become a tradition. Zero cleanup, way better than renting a venue.
Michelle R. · Macungie · Ultimate Package
★★★★★
The $299 Deluxe package was genuinely the best value of anything I looked at. The instructor arrived early, set up beautifully, and ran the whole thing like a pro.
David P. · Whitehall · Deluxe Package
How it works
📦Choose a Package
→
📅Pick Your Date
→
🚗We Come to You
→
🎉Kids Make Slime!
👨🏼
Meet your host
Real Lehigh Valley local — you're not booking a franchise. Meet the person who'll show up at your door →
Member perks active Your applies to this booking — we'll confirm at checkout.
1
Choose Your Package *
Please select a package to continue.
2
Pick Your Date & Time
☀️ Summer dates book fast: May–August weekends are going quickly — we need at least 3 days advance notice. The earlier you book, the better your date selection.
Please select a party date.
Please select a preferred time.
3
Your Details
Please enter your name.
Please enter a valid email address.
Please enter your phone number.
Please enter the birthday child's name.
We serve the Lehigh Valley area (Allentown, Bethlehem, Easton, and surrounding areas)
Please enter the party address.
🛡️ 100% satisfaction guaranteed
🧹 No mess left behind — we handle cleanup
⭐ 5.0 rating · 50+ Lehigh Valley families

Select a date to see deposit details. Secure checkout via Stripe.

Philly Suburbs — Join the Waitlist

Live booking isn't open in the Philly suburbs yet — we're launching soon! Packages and pricing will mirror Lehigh Valley, and Philly families get a small heads-up the moment slots open in their area.

Join the Philly Waitlist → See packages

🛡 No spam — just a ping when Philly slots open.