There's a hole in that cube! The Lanlan Black Void Cube (or Hollow Cube) is the cool looking 3x3 cube puzzle with a hole through it! How does it turn with a hollow center? Stick your finger through it! Amaze your friends with the holy cube, then solve it with no center pieces. A must have for the ultimate puzzle cube collections. Size 5.7cm x 5.7cm x 5.7cm. ABS material and PVC stickers. Black plastic color.