Munch up mess with this clever chomping creature. Gnasher is a fearsome toothed robot that gobbles up small objects in his path. Create him from scratch with this easy-to-follow kit by constructing his strong card body using the rivets supplied, and connecting his axles and wheels. Wire him up, and power will be transmitted to the front axle via a screw-shaped drive, cranking up the torque. As the front wheels rotate, an offset wheel (or cam) makes his jaws eagerly open and close. Age 8+