Electric Circuits Blocks Science Electronics Experiments Set Educational Toys Unisex Accessories，Women Accessories please use it after wearing

please use it after wearing the case and install magnetic ring

the little dino car toy will shoot out along the track

Only when water is detected

smooth touching surface

Electric Circuits Blocks Science Electronics Experiments Set Educational Toys Unisex Accessories，Women Accessories please use it after wearingIntroduces young engineers to the basics of electricity with multi colored, large particle circuit components that are easy to build, just like playing with blocks. Features: Built in sensing wires connect different components, and once powered, they produce various effects, such as playing music, lighting up, or spinning a flying disc. Simple and safe to use, making it easy for kids to create amazing circuits and experiments, no extra tools are