MESStival

Saturday, May 9, 2026

Noon-5 pm

Immerse yourself in goo, gunk, and grit to create art and explore science. From water play and oobleck pools to foam parties and foot painting, there will be plenty of ooey, gooey, slimy messes to dive into. Activities will be outside and inside the museum, and we’ll wind up the day with a Rockstar Bubbles Foam Party! Dress for mess and bring a towel and change of clothes.

🎟️ MESStival is included with admission or membership.

💸 Save $5 per adult and $2 per child when you purchase tickets online in advance!

• Online price: $10 per person (adult or child)
• Day-of price: $15 per adult / $12 per child. Please reserve your space in advance, even if you’re a member attending for free.
• Museums for All price: $3 per person with EBT, WIC, or Second Harvest Link-2-Feed card and ID.
• Members please log in at the top right in order to receive member discounts.
• As this is a special ticketed event ASTC, ACM and other community passes are not accepted for this event.

**To all our guests: Please note that Kaleideum will open at noon on Saturday, May 9. Admission to MESStival begins at noon, with event hours from 12:00–5:00 PM. We’re excited to see you for all the fun!