Key Features :
i : The traditional Quercetti pegs light up!ii : The light is generated by an electronic circuit with very bright, low consumption, latest generation LEDS.iii : The pegs come in pretty lamp bulb shapes, easy to insert in the slits on the screen and pleasant to touch.iv : The pegs are made of a crystalline material which produces lovely plays of light even when Peg Brite is off.v : Toy set which stimulates fantasy and dexterity. Example album included, 3 Aa batteries (not included).