Melody's Solar Car DIY Kit. Solar Powered Toy for Children. Educational Learning Science Project Exhibition Gadget. STEM Activity. Multi-Color Best Gift for 7-14 yr girls & boys: Build, Play, Learn, STEM activity concept: Solar Power. Instruction manual: Step-BY-STEP ASSEMBLY by pictures for self-paced construction. Minimal adult involvement. Trusted By Parents, Loved By Children SCIENCE LAST 12 YEAR. Non-Toxic & Safe. Exceeds safety standards