Build a xylophone, insert the pegs and rotate the handle to play your selected music.

Build a hydraulic crane, push the syringes and use pressure to lift up the block.

Build a marble slide and use the white marbles to knock the other marbles into the pockets.

Build a kaleidoscope with the mirrors, rotate the drum and discover beautiful patterns.

Build a robot and let him fire the pellets to hit targets or... build a vehicle, wind it up and watch it go!

Build a rocket and a launch pad. Lock it. Countdown... Launch!

Build a powerful truck and launch it!

Build a cool race car and launch it!