Thames & Kosmos

Build a beautiful kinetic flower that comes to life whenever the sun shines. This motorized model features rotating petals driven by a solar panel,...

A buildable jellyfish lamp uses a planetary gear system to create mesmerizing, undulating tentacle movements while the RGB LED cycles through hun...

Get your kids ready for some hands-on fun with this crawling robot kit, perfect for ages 8 and up. Easy to build and powered by an electric motor, ...

STEM play on the run! A 60 piece marble run set with interlocking track pieces and ten colorful glass marbles. The illustrated eight page manual in...

This digital microscope puts the microscopic world on a bright 2.8 inch LCD screen, so no squinting through eyepieces required. The kit includes 16...

Build a beautiful kinetic flower that comes to life whenever the sun shines. This motorized model features rotating petals driven by a solar panel,...

A buildable race car model includes a working four speed manual transmission with reverse and neutral, a rear wheel torque differential, shock abso...

Uncover the mysteries of the human body. This hands-on toy lets your kids become real-life scientists! They'll love carefully removing squishy org...

Explore the wonders of the Moon and beyond! Thames & Kosmos continues to inspire kids with curious minds to explore the stars with this entry-l...