Exploring the fundamentals of circuitry has never been safer, easier or more creative! Children mold the soft, squishy dough into fun objects by following pattern cards. Once the design is complete, position the custom-engineered LED lights to make the creation glow. Includes ready-to-use conductive dough and non-conductive clay, 8 pattern cards with 16 designs, knife and instructions. Uses one 9-volt battery (sold separately).