Three sizes of gears and base plates make this the ultimate spinning, turning, twirling building set Children create an intricate maze of colorful interlocking and spinning gears that turns out looking like the magical machinery in Willy Wonka's... Three sizes of gears and base plates make this the ultimate spinning, turning, twirling building set Set includes colorful gears, springs, chomping teeth, flashing lights, whiskers and glow-in-the-dark eyeballs for endless creative combinations Includes instructions to build 4 creatures, contains 130 pieces Requires 3 AA batteries, not included Repack in Box with handle