Educational STEM Toys for Kids: Great science kits for boys girls. Includes all the parts to build solar powered model car with. Static puzzles perfect for kids ( 8 +) and adult. No need for screws or tools Improve your child39;s imagination and creativity by challenging them to build their own robots.Powered by SUN: No batteries needed.The robot kit includes a solar power panel that collects solar heat energy into an electric energy drive motor, which drives the gears to make the machine run smoothly.Teach children to use environmentally friendly solar energy instead of electric energy.Learn about Solar PowerWireless control: Your child will explore the fun of Solar Power and Wireless control with this Kits.Learn about Circuit,Engineering,Energy conversion and much more.Easy to Assemble: Our science toys include all the tools and materials you need to assemble - laser-cut wooden components,clearsimple instructions in English.No electric soldering iron, no soldering, simple assembly, suitable for kids.Perfect Gifts Toys for Kids: Definitely a perfect substitute for video gamesExcellent science toys gifts for boys girls teens in Halloween/Birthday/Thanksgiving/Christmas/Children39;s day/Easter /STEM.Size Chart:14x7x5cm/5.51x2.76x1.97inchPackage Includes:1x Solar Car Model Kits1x Instruction Manual(4 Pack)Note:1. This is not infant toy , please take away from kids to avoid eating.2. Please allow slightly error due to manual measurement.3. Due to the difference between different monitors, the picture may not reflect the actual color of the item.4. Wish you a wonderful on-line shopping