STEM 13-in-1 Solar Power Robots Toy DIY Robotics Kit

13-in-1 Solar Robot Kit: Kids can follow the step-by-step user’s manual to build 13 different types of robots by splitting and reassembling, which can move on land or water. Includes the robot’s moving and connecting parts like gears, plates, tires, and shafts.

SUNER POWER 20W 12V Solar Battery Charger & Maintainer Waterproof Panel

This waterproof solar panel is perfect for maintaining 12V batteries in cars, boats, RVs, tractors, and more. 20W solar panel output for efficient 12V battery charging. The waterproof construction ensures long-lasting performance, making it suitable for outdoor use in rain, snow, or shine.