Guidecraft Screw Block - Kids Multi-Color Matching Game, Classic Toddler Memory and Sensory Skills Development Toy Wooden matching game to reinforce motor skills with pretend play tools Set includes 6 colorful screws, 1 Screw driver and base Durable construction designed for use in a Pre-School setting Screw driver fits securely in a slot on the block base when not in use Material: rubber wood and nylon interior ring