Great for eye hand coordination and visual perception! Children love using this to create their own designs, or follow the activity cards to make pictures and patterns. Just snap any one of the drill bits into the power drill or the screwdriver handle, grab a handful of big bolts, and turn on the fun. The power drill has forward and reverse action with realistic sounds. Two children can play at once. Contents: power drill with 3 different drill bits, 120 plastic bolts, 20 activity cards (from simple to challenging), sturdy activity board, screwdriver and wrench. Activity board measures 11" x 10". Power drill measures 5" x 4.5". Bolts are 2"L. Requires 3 AA Batteries, not included.