[Educational ]Good choice for kids who loves building and science. Fun and entertaining, These tank car kits create an enjoyable learning experience and great satisfaction building their own electric motor kit. Create a circuit and let the fun begin! [Learn about Solar Power&Wireless control]Build two remarkable model vehicle: a Off-road Tracked Tank(Remote Control) . Your child explore the fun of Solar Power and Wireless control with this Kits. Learn about Circuit, Engineering, Energy conversion and much more. Super fun projects for kids! [Easy to Assemble]Our science toys include all the tools and materials you need to assemble - laser-cut wooden components, clear&simple instructions in English. No electric soldering iron, no soldering, simple assembly, suitable for kids. [Great Family Bonding Time]Perform rewarding science experiments with your family or friends. for kids teens. Safety tested, all wooden blocks are made of real wood without chemical finishing. Non- and non-irritating it creates a safe play environment. [Perfect Gifts ]Definitely a perfect substitute for video games! Excellent science toys gifts for girls teens in Halloween/Birthday/Thanksgiving/Christmas/Children's day/Easter /STEM. Note: The main picture is a picture of the finished product, and the actual object is a material package. A package of DIY assembly materials is provided, and the finished product needs to be assembled by itself or completed together with parents. size: Finished product size is about 267x120x91mm Material: Wood+Plastic colour: As Shown Package Contents: 1 x toy Tank Kit DIY Material Pack(3X AAA batteries are not included) 1 x Remote control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.