The 2pcs diy electronic kits are solar powered, nice educational toys for kids to exercise their hand-on skills and creativity.Features:with a solar panel, it works in direct sunlight, energy efficiency and environmental protection.Nice educational toy set for kids training their hand-on skills and creativity.Make learning more fun, stimulate kids curiosity and creativity.Safe and non-toxic materials, nice gift for kids.Teach scientific principles in a fun, hands-on way that is both entertaining and educational. Specifications:material: wood + plasticitem size: small house: 120 * 110 * 65mm / 4.72 * 4.33 * 2.56in small car: 75 * 72 * 30mm / 2.95 * 2.83 * 1.18inpackage weight: 250g / 8.82ouncespackage size: 275 * 165 * 50mm / 10.63 * 6.5 * 1.97innote:you have to assemble it by yourself.Need to work in direct sunlight, no battery needed, no power storage function.Packing list:2 * diy kits2 * solar panels1 * manual