Green Science Solar Robot Building Kit Superhero Toy Three interlocking pieces creating a

Three interlocking pieces creating a 6-section circle

Dav Pilkey brings each frog's unique view to life using an extraordinary blend of artistic mediums

Reversible design doubles the joy

and Castle Rock

Green Science Solar Robot Building Kit Superhero Toy Three interlocking pieces creating aThe Green Science Solar Robot lets kids build a walking robot that runs on sunlight instead of batteries. An adjustable solar panel demonstrates energy conversion and polarity, while a transparent gearbox shows the gears turning inside as the robot moves. Place it under direct sunlight or a 60W indoor bulb and watch it come to life. After assembly, kids can transform their robot into a dinosaur or monster using simple household items like forks, cups,