Thinkfun Gravity Maze

Close the circuit and light up the lights! These 60 challenging and clever challenges offer hours of electrical fun while also giving you a better understanding of how circuits work. Your challenge is to build a real circuit that lights up the LED beacons. Requires 3 AAA batteries (not included). Contents: 1 game board, 60 challenge cards with solutions (4 levels of play, from beginner to expert), game rules, and 17 playing pieces.