Hours of imaginative construction fun! Included Components: 1x Front Cabin, 1x Excavator Arm (3 parts), 1x Bulldozer Blade (3 parts), 1x Siren, 1x Chassis (2 parts), 4x Wheels, 9x Hex Bolts, 1x Instruction Card, and 1x Basic Phillips Screwdriver. Works with the BLACK + DECKER Matrix Junior Power Drill, sold separately. For ages 3 and above. 5th bullet text It's time to get building! The BLACK + DECKER Matrix 2-in-1 Build-Kit includes 20 pieces for an incredible play assembly experience. Kids will enjoy building either the excavator or bulldozer that provides countless hours of imaginative construction play.