11-13 Years

Introduce kids to STEM in a fun, authentic way with this colorful set of 5 simple chemistry experiments. Set up the durable test tubes and rack and...

Bring snow inside... any time of year, no matter where you live! Kids enjoy the magic of cool snow-based experiments and learn about weather along ...

Google "orrery" because you'll be building one, winding it up, then watching planets orbit the sun at their own speed! Explore gear mechanics as yo...

Enter a paradise with this hybrid clear and ice cream slime! A layer of bright blue clear slime topped with soft green ice cream slime to mix + sce...

According to ancient Greek mythology, one of the Greek Gods' favorite creatures is a Pegasus! They look like horses but have beautiful large wings ...

For candy loving scientists, here's a fun way to experiment with physics in action! A step-by-step illustrated instruction manual guides clever kid...

Meet the puppy that loves to play all day in the park. He chases around his rainbow ball until it gets dark. Roll your Thinking Putty® up so it's n...

Bye bye boring paper airplanes, hello flying machines! Shatter the world record for the longest paper airplane flight by clipping the POWERUP 2.0 m...

Get ready to light up your brain with Puzzle Bright, the ultimate digital tactile puzzle game for kids and adults who love brainteasers! With over ...

Super vibrant rainbow sherbet inspired slime! The texture fluffs up almost like a cloud slime but when not being inflated it's a super soft yet den...

Get future engineers on track for STEM learning with this model train set of the future! They'll enjoy the focused work of building this 186-piece ...

Transform rough rocks into gorgeous polished gems! A great STEM gift for future geologists and earth scientists, this kit has everything kids need ...

Turn rough rocks into polished gems. Our powerful tumbling machine features a strong motor, and includes a leak-proof rubber barrel, a timer, 9 dif...

Check out our new favorite STEM activity for curious kiddos! Ages 6+ use the crystal clear instructions to build a durable rocket and launcher, no ...

Start your own rock collection and even grow your own geode. This STEM-focused kit comes with a labeled tray, plus a book with lively illustrations...

New memoryDOUGH slime! Dope Slimes' exclusive and one of Dope Slimes' bestselling textures, this is a brand new memoryDOUGH slime— ultra soft yet d...

Future engineers fly into physics fun building 5 awesome models driven by a rubber band powered propeller. Using ultralight plastic and bamboo part...

Launched to celebrate Rubik's 50th anniversary, this special edition Rubik's Cube looks and feels like it came right out of a time capsule! Fans of...

Build a sleek, modern (and adorable!) walking robot powered by salt water and magnesium — no batteries required!  Discover how a metal-air electroc...

How can just 1 simple, interlocking shape create so much building fun? These pliable, puzzle-like pieces snap together to make flat mosaics or dime...

The ancient Egyptians were amazed by the scarab beetle. Its beautiful, color-shifting exoskeleton - which mirrors light in tones of purple, blue, r...

In this quick thinking, match-and-grab counting game, prepare to move fast! Players race to snatch up cards that match the numbers on the dice. Add...

Treat yourself to something sweet! Scented with banana, Banana Split SCENTsory Putty® is a sundae classic. The “cherry on top” of fidgets!    Crazy...

Readers are invited to shine-a-light — literally, by use of a flashlight — to make surprising discoveries in the natural and man-made world in the ...