Wow! Six solar models to build from this one amazing construction kit. This is an excellent beginner's science kit teaching basic solar power principles so children learn the benefits of solar energy while creating a toy that is fun to play with. And best of all the Solar Science Kit requires NO batteries! Build a Solar Airboat, Windmill, Car, Plane, Puppy and Solar Revolving Plane out of these simple pieces. This solar construction kit will provide hours of educational entertainment and is an easy present for young children. Simply clip the pieces out of their frames and slot them together - no glue, no nails, no mess! There are so many science activities for kids to discover! Once you've tried all the science projects in the set, why not come up with you own! A great gift for kids interested in science.