OWI OWI-MSK672 Happy Hopping Frog Educational Mini Solar Kit, Have Approximately Twenty-five Parts to Assemble, Includes Solar Cell, Recommended Age 10+, Dimensions 2.6" x 1.8" x 1.7" Build a hopping, solar powered frog Amphibian lovers everywhere can't stop watching the little guy hop A build-it-yourself educational solar hobby kit Hind legs and rubber feet hippity-hop in the sun or very close to a non-florescent light bulb