FeaturesDraw a working circuit and cold solder componentsAges 6+3 x Unique character cards: Meow Meow Magnetron, Tantalum Tentacles, and Hoot Hoot Hertz3 x Coin cell batteries30 minute assembly timeLEDs may last up to 10 days depending on battery lifeElectric Paint is water-based and nontoxic1 x Electric Paint Tube 10mlPaint dries in 10-15 minutes3 x LEDsPower Animals flashing card set includes 3 cards and all the equipment to make a basic circuit.The Bare Conductive Power Animals Flashing Card Set includes 3 cards with unique character designs along with all the necessary materials to make a basic circuit such as a 10ml electric paint tube, 3 LED lights, and 3 coin cell batteries.This is a resistive paint that may not be suited to high current applications such as heated rear window track repairs and other higher power applications (in excess of 100ma), for these applications a silver loaded paint, conventional wiring and soldering are the main practical solutions.