Fisher-Price Barbie Light Sketcher Activity Mat Let kids draw copy and create in amazing detail-no markers, no water, and no mess Two sides of play for twice the light sketcher fun: creative drawing on the front; games and activities on the back Drawings appear before their very eyes and then magically fade away Each stencil contains 3-5 images based on the theme or license Light pen has one large button that when depressed activates the UV Led, which remains lit until the child releases the button