Whadda Madlab electronic kit Atom heart

Now you can give your Teddy Bear, or other favorite doll or stuffed animal, their very own Atom Heart. The slits in the PCB (printed circuit board) can be used to attaching the kit to anything you want. The light patterns of the Atom Heart can be changed by pushing the button. Power supply: 2 x 3 V - 2 x CR2032 (not incl.) * Dimensions: 70 x 50 x 16 mm / 2.8 x 1.9 x 0.6", Weight: 0.110231131 pounds, Manufacturer: Velleman