Minecraft Light-up Redstone Ore by ThinkGeek, Inc.

Officially licensed Minecraft collectible
Excellent choice for any Minecraft collector and gamer
This children's nightlight is made from ABS plastic
Glows with internal LED lights
Tap to light up
3 settings: tap once for low (30 seconds), twice for medium (3 minutes) and three times for high (5 minutes). The fourth tap shuts it off
Requires 2 AA batteries to operate (not included)
LED nightlight is designed for children ages 6 years and older
Dimensions: 3"H x 3"W x 3"D