These 8 - interchangeable squares are meant to be used with the Dark Side of the Moon wall sculpture. These squares can substituted for the squares that came with Dark Side of the Moon.
This set includes: 1 - 4.75" square; 1 - 4" square; 1 - 3.5" square; 2 -2.25" squares; 2 - 1.75" squares; and 1 - 1.5" squares.