THAMES & KOSMOS

An apple that defies gravity and walks a tightrope — what would Isaac Newton have thought? Build a cute apple robot that walks along a tightrope. H...

Build, code, and play — with mighty REX! Assemble your own robotic model of the giant, powerful, ferocious Tyrannosaurus rex. Use the handheld cont...

Have as much fun as a pig in the mud! Each of these adorable little plaster barns holds one plastic farm animal figurine. Use a small tool and some...

Build six awesome bots that move without any batteries or electricity. The secret behind these fascinating machines is one of the oldest power sour...

Mix up a rainbow of mouth-wateringly delicious lip balms and lip glosses. Experiment with a vibrant spectrum of colors and flavors to create your o...

Build a zany inflatable tube dancer that uses the physics of flowing air to perform its eye-catching moves. Like the air dancers and tube men you m...

Discover the science of living things with this complete introductory microscope kit. The beautifully illustrated experiment manual guides you thro...

This big, colorful microscope was designed specifically to enable young kids to have successful microscopic viewing experiences, and to be a fun to...

Build five fun gadgets and learn about gears and transmissions. Create a helicopter model with a rotor that spins using a rubber band-powered motor...

Begin a lifetime of scientific investigation and understanding with 25 fun experiments in five key areas: nature, physics, chemistry, air, and wate...

Build and experiment with dozens of roller coaster models to make learning the physics of force, motion, and energy as fun as a day at the amusemen...

Build a series of adorable, motorized robotic animals with this introductory mechanical engineering kit for kids ages five and up. A beautifully il...