Amazon.com offers OWI 7-in-1 Rechargeable Solar Transformers for $20.48.FREE Shipping on orders over $35.
OWI 7-in-1 Rechargeable Solar Transformers An innovative solar science kit that encourages children to exercise their sense of creativity and imagination. It features all snap together plastic parts (no screws, tools required), solar panel and accessories. It is incredibly easy to assemble the 7 different modules: 2 power charging stations and 5 different vehicles. [ Shop Now ]