With Lite Blox you can build awesome light up pictures and patterns! Simply place the LED Blox onto the power board to create unlimited light designs. Some of the LED Blox even flash and change colors to make your pictures and patterns look really cool. Attach multiple sets together to make an even larger display. Lite Blox help build fine motor skills, plus stimulate creativity. Set includes power board, battery module, removal tool and 30 colorful LED Blox. Requires 3 AA batteries (included). For ages 3 and up.