S.T.E.M.

This LEGO-style Flat-6 engine model is inspired by the iconic horizontally opposed six-cylinder engines found in legendary sports cars. The design ...

645 Pieces 1 Grey/Blue Electric Bullet Locomotive (Battery Operated) 6 x AAA Batteries (Not Included) Difficulty 4/5 

765 Pieces 1 Grey/Red Electrict Bullet Locomotive (Battery Operated) 6 x AAA Batteries (Not Included) 1 Passenger Car 1 Station 4 Figures/Minif...

The Sidewinder building block kit was designed by an actual roller coaster engineer is modeled after contemporary steel coasters.  It is constructe...

Swap out the hand crank for a gear shaft and automate your Coaster Dynamix roller coaster model with our compatible motor set.  Our motor and batte...

Designed by an actual roller coaster engineer, the Cyclone Roller Coaster building block kit is constructed for quick assembly and features an inge...

A follow-up to the best-selling original Robotics: Smart Machines kit, this version focuses on wheeled robots. Like the original, this kit also giv...

Conduct more than 60 electrifying experiments with circuits and magnetic contraptions to learn about electricity and magnetism, and how these two f...