4 in 1 Solar Power & Electric Motor STEM Kits,Science Experiment Projects for Ki
These 4 model kits can inspire young inventors to build their own cars and models. Children assemble them with solar panel,electric motors, circuit boards, propellers, etc., and then install AA batteries (excluding batteries) to power them to make wind-powered cars, solar car, solar fan, and airplanes.
50W 18V Solar Panel Charger for Efficient Power Supply in Outdoor Conditions
Diversified Usage M8 Brass Connectors Suitable for Various Vehicles Types
High Quality Material: The m8 battery pole adapter is made of solid brass material, good conductivity, anti-rust properties, and long-lasting durability. M8 with stainless steel screws Material:Solid brass.