STEM Kits

Build a working model car from the inside out with the Thames & Kosmos V8 Race Car. This 233-piece STEM kit reveals authentic automotive system...

Turn it over and the landscape changes before your eyes. Lyell’s Sand Art LED lets colored sand drift through a clear circular display, building fr...

Crack open ten real geodes and discover the sparkling crystal structures hiding inside. Young geologists can compare the surprises, learn how geode...

A butterfly deserves a closer look, and this little magnifier is ready to help. The Insect Lore Mini Mag Butterfly slips around the neck on its lan...

New Mio Robot begins as a hands-on build and becomes a programmable companion with several clever ways to move. Once assembled, its two infrared se...

Build a flower that moves with sunshine with SolarFlower: Golden Sunrise from Thames & Kosmos. Assemble the colorful mechanical bloom, place it...

Build a flower that moves with sunshine with SolarFlower: Sapphire Swirl from Thames & Kosmos. Assemble the colorful mechanical bloom, place it...

Build a flower that moves with sunshine with SolarFlower: Ruby Ripple from Thames & Kosmos. Assemble the colorful mechanical bloom, place its s...

Build a creepy-crawly guardian that alerts young spies when movement crosses its path. The Spider Spy Motion Detector turns a hands-on science proj...

Rainbow Gummy Candy Lab lets young confectioners create colorful clouds, unicorns, and rainbow-shaped treats while exploring the science of gels. M...

Dinosaur Gummy Candy Lab mixes tasty creativity with real kitchen chemistry. Young scientists prepare purple mixed-berry and green watermelon mixtu...

One big box opens the door to a whole laboratory's worth of experiments. The KidzLabs Mega Science Kit gathers equipment and guided activities for ...

A dark volcanic rock is hiding sparkling treasures, and the only way in is careful excavation. Use the included tools to tap, chip, and brush throu...

Expand Mag Rush adventures with four Oggs, swappable wizard and creature helmets, two pairs of bunny slippers, a red car, and two turtle discs that...

Send four wild Erggs into Mag Rush builds with punked-out helmets, spiky boots, spinning shields, and two cars made for launching and crashing. Swa...

A dinosaur is trapped inside this egg, and patient paleontologists get to dig it out. Chip away at the excavation block to uncover the hidden figur...

Build a tiny robot vacuum that really scoots along and tackles its own tabletop cleaning route. Dusty turns gears, motors, and simple robotics into...

Fizz, glow, pop, ooze, launch, and discover through 100 hands-on experiments spanning chemistry, physics, biology, and earth science. Young scienti...

Build the city, line up the stunt, and send the car flying into a gloriously planned disaster. Neo City Knockdown uses launchers, tracks, spinning ...

Chip into an Egyptian tomb block, uncover the hidden pieces, and turn the excavation into a tabletop adventure. The dig comes first—dust, tools, an...

Build an electric buzz-wire game, shape the metal course, and try to guide the wand from one end to the other without setting off the buzzer. Every...

Turn sunlight into a tiny science show. The Klutz DIY Rainbow Catcher invites kids to build a working project that bends light into colorful rainbo...

Drift Vortex transforms magnetic construction into a build-it-yourself racing arena. Its 68 pieces create tight turns and dramatic drifting action,...