Klutz LEGO Gravity Drop age range 2-13+yr With quality construction and great

With quality construction and great attention to imaginative details

illustrated instructions

rebuild it into a cool biplane that can fly over a lion

Includes 2 trash bins

Klutz LEGO Gravity Drop age range 2-13+yr With quality construction and greatFuture engineers design and build a chain reactions machine using LEGO technic bricks! They'll play, learn, and wow as they construct 20 different contraptions on an 18" gravity drop tower. Curious kids release a pack of 6 wood balls from the starting gate and watch them race through a maze of twists and turns, sliding down ramps, flipping spinners, and whirling down a funnel, before they finally plonk into their destined buckets. Physics is fun with