12-13 years

Kaleido-Craft is a fun and educational craft kit that combines the excitement of crafting with the wonder of science. With Kaleido-Craft, children ...

This is one science experiment you can eat! Get ready for fun, as you measure, mix and boil sugar, watching it turn into hard candy. Kit includes 2...

Thinking Putty is one of our top putty picks - there are so many ways to play! This enchanting putty is heat sensitive: the more it's played with, ...

This new, dino-fabulous, 50-piece set from Magna-Tiles lets your littles build their very own prehistoric fantasy world, complete with tropical-the...

See them erupt with excitement building a realistic volcano scene. This giant cardboard and plaster model is classic earth science learning at its ...

Build your own mechanical hand, slip it on like a glove, and get a grip, without motors or electricity. It uses hydraulic power to simulate the mov...

Future engineers enjoy the focused work of this 180-piece cyber hand build that teaches them about mechanical assembly and hydraulics. Once built, ...

This Galileo thermometer is the same size and shape as our 6" Storm Glass. and they make an attractive pair on the windowsill.6" TallThe Galileo Th...

Suddenly math is big fun! Players use the number and symbol tiles to build equations into a crossword puzzle grid in this new game. 162 tiles store...

Grow your own tranquil oasis! A thoughtful gift for nature-loving kids and kidults, everything's included to assemble and care for a DIY moss terra...

Curious kids build a loyal robotic reptile buddy that responds to gestures, changes colors, and automatically fires and retracts its tongue! This c...

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

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...

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...

Lost your marbles? Get more! This is a pack of 7 metal replacement marbles for the Gecko Run marble run system.

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 ...

Build and program a loyal robotic pal! Discover the world of robotics — an exciting, interdisciplinary field combining physics, engineering, and co...

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

SALTWATER FUEL CELL ROBOT

Thames & Kosmos teams up with the innovative Wondery Kids podcast team in a first-of-its-kind collaboration that gives kids an exciting new way...

Looking for a fun and educational activity about solar power? Future engineers will be impressed as they construct this sleek, compact race car - i...

No batteries? Correct! Build 8 sun-powered robots including a crawling bug, a somersaulting armadillo, a roaring dino, a tank, drummer, and more wi...

Reach for new stars! Two puzzles magically fit together into one cube, and transform from their stars to show the planets and solar system. A cool ...

Curious kids experiment with strength and stability, building 20 models that demonstrate mechanical physics or structural engineering principles. T...