The RMSC Museum is now open daily. See the Planetarium webpage for information on showtimes.

Visitors not fully vaccinated, including children 3-11, are required to wear a mask throughout their visit.



Monday, July 26 – Sunday, August 1

Every Day | 11am–3pm

Come celebrate summer with us at MESS-tival-- a festival of science that is slimy, silly, and messy! During this week-long celebration of messy science, you can partner up with a robots to paint a Jackson Pollock-inspired masterpiece, learn about messy mixtures with color changing slime, make rainbow spinner art to discover the ins and outs of inertia, and more. Get your hands dirty while you experiment with different gooey and yucky substances-- and come back throughout the week to make new art and science creations each day.

MESS-tival activities are included in museum admission. You can purchase your museum admission online in advance, or in-person at the door. Tickets purchased online are valid for 60 days from the date selected and are non-refundable.* 

Get Tickets

 *This ticket is for Museum general admission only. Tickets to Planetarium shows must be purchased separately.


Ways Your Family Can Celebrate Mess-Making:

  • Color Changing Slime: Create your own slime that changes color to bring home with you
  • Painting with Robots: Design a Sphero Painting using robots to test out your art and engineering skills
  • Rainbow Spin Mixing: Play with centrifugal force and primary colors to see what beautiful artwork you can create
  • Create GIANT Bubbles: Discover the power of surface tension by creating a giant bubble with us
  • And more!

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