Features: 1.4 DIFFERENT PUZZLE PIECES: Drill and screwdriver toy set contains four puzzle pieces with different colors and shapes, which can provide more design space for children and let them give full play to their imagination in the game. 2.6 MUSHROOM NAILS: Drill and screwdriver puzzle kit has six kinds of mushroom nails with different colors. Children can make various models by fixing them with screws and nuts, thus stimulating children's spatial imagination and creativity. 3.IMPROVE LEARNING INTEREST: Drill and screw driver tool building toys kit can improve children's insight into science, technology, engineering and mathematics. Learning from games has greatly improved children's interest in learning. 4.COLORFUL ACCESSORIES: The accessories are colorful, and there are more than 45 kinds of colorful patterns with a puzzle manual. Children can make models according to the patterns in the manual or use their imagination to make models. 5.SAFE PLAYING: Mosaic drill set is made of ABS plastic with polished edges. Toy drill is powered by 2x1.5AA battery (excluding battery), which can rotate in both directions, and the speed is slow, so there is no need to worry about hurting children. specification:Item Type: Drill And Screwdriver Tool Building Toys Kit Material: ABS USES: Your Kids Can Use The Toy Drill And Screwdriver To Assemble The Puzzle Pieces Onto The Puzzle Board To Build 2D And 3D Models. For Example: Tanks, Helicopters, Trucks, Elephants, Flowers And More. Kids Can Play Independently For Hours, The Game Encourages Kids To Think And Innovate, Making The Game Challenging And Fun Batteries: 1.5V AA Batteries x 2(Battery not included) PackageList: 16 x Round Puzzle Pieces 16 x Tetragonum Puzzle Pieces 16 x Triangle Puzzle Pieces 16 x Rectangular Puzzle Pieces 60 x Mushroom Nail 80 x Screw 20 x Nut 8 x Right Angle Connecting Block 1 x Electric Drill 2 x Drill 1 x Wrench 1 x Screwdriver Handle 1 x Screwdriver Bit 1 x Puzzle Manual 1 x Organizer Box