STEM Space Toys Projects for Kids Ages 8-12+, DIY Solar Power Mars Rover Car,

STEM Space Toys Projects for Kids Ages 8-12+, DIY Solar Power Mars Rover Car, Science Experiment Robot Engineering Building Kits, Educational Easter Birthday Gifts for 6-14 Year Old Product parameters: *1 plastic sheet packed 4 blocks, 1 reducer, 1 box *1 solar panel, 1 left tooth box, 1 right tooth box *1 cone assembly, 1 crown tooth, clutch One *2.3*8mm self-tapping screw, one sticker *1 manual for the box cover, 1 screwdriver *The product does not include 2 AA batteries 1. DIY science experiment robot building kits. 2. Solar upgrade version: one requires two R6/AA/UM3 batteries to provide power, the other is powered by solar panel. 3. This is a 4WD model car, which can move forward by using vertical wheels on the four corners. 4. It includes all the materials required for simple buckling or screwing assembly. Simple wiring is required to complete the assembly. 5. The power is provided by the motor. 6.Simple to do for aged 6+