• Hop to the fun with the Solar Grass Hopper and Racing on the street with the Solar Racing Car. The Tiny Solar kit is a unique toy that will teach your child about the sun's ability to provide clean energy. Place it in direct sunlight or under a halogen light with a wattage rating of over 100, and the solar cell on the back of the grasshopper/car will allow it to move.
• Tiny but powerful: Help your child discover the benefits of green energy in a fun, fresh way with the help of the Tiny Solar Kit. A small educational toy yet bring smiles to your child in many ways
• Learn about renewable energy: This educational toy will assist your child in discovering and exploring the limitless possibilities of solar energy while developing basic engineering skills. 
• No batteries required: With the solar-energy-focused design, these fascinating robots can move easily and provide great interaction with your child for days.
• Box Dimension: 6.5 x 3.2 x 1.5 in