Busy builders can experience the thrill of the drill, with the best-selling Design & Drill Power Drill! Kids simply insert the colorful bolts from any of the Design & Drill activity sets (sold separately) into the drill bit and press the power button to create custom designs and patterns. A brand-new design features a forward/reverse switch, power button, clear drill bit, and peekaboo window so curious kiddos can see how the drill works. Drill requires 3 AAA batteries.