National Geographic Completely Gross Chemistry Set

Science isn’t always neat and tidy—sometimes, it’s downright gross! With the National Geographic Completely Gross Chemistry Set, kids will laugh, learn, and get their hands messy while exploring the wacky (and wonderfully icky) side of chemistry. Perfect for curious minds with a silly streak, this kit turns goo, sludge, slime, and fizz into exciting discoveries that make science unforgettable.

From making slimy snot to creating glowing worms, every activity sparks wonder while sneaking in real science. This isn’t just gross fun—it’s hands-on learning wrapped in giggles.

45 Fun and Gross Experiments: Kids will mix, bubble, and ooze their way through more than 40 experiments designed to highlight real chemistry principles while delivering loads of gross-out fun.

STEM Learning Disguised as Play: Every experiment is built around core chemistry concepts—like polymerization, chemical reactions, and non-Newtonian fluids—helping kids build knowledge while having a blast.

Gross Factor = High Engagement: From fake snot to slimy worms and bubbling ooze, the experiments are irresistibly gross, keeping kids entertained while they absorb new information.

Glow-in-the-Dark Experiments: The kit includes special phosphorescent materials so kids can make their creations light up in the dark—adding extra magic to the mess.

Easy-to-Follow Instructions: Step-by-step guides with colorful illustrations ensure kids can dive right in. Plus, explanations connect the “gross” results to real-world science in a way that’s easy to understand.

Perfect Gift for Curious Kids: Ideal for birthdays, holidays, or rainy days, this set combines the thrill of discovery with hours of screen-free fun.