Cindy 2in1 Puzzle is made of plastic feartures Maze Puzzle and Memory Puzzle. You can control the box to make the metal ball from the the start point to the end point, very interesting. The Memorry Puzzle can challenge your brain by remembering the light sequence and following along for as long as you can without breaking the pattern. Perfect game for any age, conducive to intellectual development, hand-eye coordination and memory ability and memorize. It is powered by 2 AAA batteries.(not include)