ThinkGeek Minecraft Light-Up Diamond Ore - Officially-Licensed Minecraft Collectible - Tap to Activate Light: Low, Medium, Bright LIGHT FOR FANS OF MINECRAFT - The Light-Up Diamond Ore is a 3-inch cube suitable for kids ages 6 and above, as well as for the kids at heart. Light up the face of a Minecraft fan with this little Minecraft light. TAP TO LIGHT UP - Tap the ore to activate light into low, medium, high, as well as to turn it off. AUTO SHUT OFF - Diamond Ore will shut off after three minutes of continued use. Two AA batteries (not included) are needed to make this item work. HIGH-QUALITY MATERIAL - Made of ABS plastic construction, and glows with internal LEDs. Dimensions: 3" x 3" x 3". Weight: 6 ounces. OFFICIALLY-LICENSED MINECRAFT COLLECTIBLE - Light-Up Diamond Ore is inspired by Minecraft and made by ThinkGeek.