Thinkfun Circuit Maze

These 60 challenging and sophisticated assignments offer hours of electrical fun and at the same time give you more insight into the functioning of circuits. Your assignment is to build a real circuit that powers the LED beacons. Contents: 1 game board, 60 challenge cards with solutions (4 game levels, from beginner to expert), game rules and 17 game pieces. Operates on 3 AA batteries (not included).