<br>Kids' Gifts:Do you want your children to learn in play? This DIY car toys is a good choice. Your child can learn how to assemble a toy car, exercise the thinking ability, hands-on ability, learning ability and so on of boy / girl. <br> <br>Product parameters: <br>1. 5 pieces of plastic blocks, 1 battery box, 1 hexagonal shaft with copper sleeve, 1 motor, 2 hexagonal shafts, 4 tires, 1 switch, 1 silicone tube, 1 nylon cable tie , 1 pinion, 1 crown tooth, 2 duplex gears, 1 final gear, 2 rivets, 2 3*15 self-tapping screws, 3 3*12 self-tapping screws, 3*8 self-tapping 4 screws, 2 2*6 self-tapping screws, 1 3*6.5 isolation ring, 8 3.5*3.5*5.5 corns, 1 3*28mm iron shaft, 1 bushing, 1 instruction manual. <br>2. The product does not include battery (One R6/AA/UM3 battery) <br> <br>Product function description: <br>DIY building block assembly experience. <br>This is a four-wheel drive model device, which can use the wheels moving vertically at the four corners to move forward, and can easily overturn obstacles 50mm high. <br> It includes all materials needed for simple snap-fit or screw-on assembly. <br> Simple wiring is required to complete the assembly. <br>Three chassis angles can be selected during setting. <br>The power is provided by the motor and transmitted to the wheels via the assembled trapezoidal chain. <br> <br>Helps to cultivate children's hands-on, brain, learning, thinking, ability and creativity. <br>How To Operate: <br>Step 1:Please take out the complete accessories for ladder chain, all pieces are connected together. <br>Step 2:Cut all the chain blocks with tools,such as pliers, scissors one by one.(tools not including) <br>Step 3:Assemble each small chain block.Please note the direction of assembly and the expand way of the chain. <br>Step 4:Complete assembly ladder chain. <br> <br>Every part of this DIY car toy is assembled by you and your children, which can help your kids to have a good entertainment experience.What are you waiting for?