Solar Balloon, This 50 foot long by 29in diameter Solar Balloon, 400 feet of string, complete instructions and science learning guide balloon, Demonstrates buoyancy, convection, thermodynamics and solar power, Teaches Bernoullis Principle and Pascals Principle, For ages 14 plus
Solar Cell with wires, 6V, 70mA, Monocrystalline, High Efficiency Miniature, Efficiency: 17.0%, Dimensions: 95mm x 51mm x 3mm, For larger load applications including higher voltage and current loads, compact size with solid attractive casing
Solar Cell with wires, 12.0V, 45mA, High efficiency small, can easily be connected together for larger load applications including higher voltage and current loads. Compact size with rugged, attractive casing. Perfect for charging 9V NiMH rechargeable batteries.