Get ready to test your skills with CrunchLabs' newest toys engineered to deliver huge "aha" moments based on viral experiments from former NASA engineer and creator Mark Rober. Check out the Slime Prank Lab! Nobody loves a hilarious prank more than Mark Rober - and now kids can create the ultimate slime pranks themselves! Experiment with slime recipes changing viscosity, texture, and stretchiness. Build a Snot Pump for "booger drip" action or a Fart Speaker sound prank.

Scan QR code to watch Mark guide each slime challenge with How-To-Play videos explaining science, engineering, and WOW behind every experiment.

Prepare for all-new challenges fueling fun, curiosity, creativity, and problem-solving—where brainpower meets adrenaline.

Suitable Ages: 8+