2 years & up. A wooden matching game to reinforce motor skills with pretend play tools. This simple manipulative refines hand-eye coordination, fine-motor, and color matching skills. Made from rubberwood, with n\ylon interior ring holds the screwdriver in place while not in use. Includes 6 colorful screws, 1 screw drive and base. Screw Block is 4" x 4" x 6".