Design your own puzzle! Excellent for kids of all ages and group projects! Inovart Blank Puzzles are made from heavy duty puzzle board with white on one side. gray on the back. These puzzles will accept markers, crayons, paints, watercolors, silk screen and block printing ink. Features 4 x 5.5 in. Puzzle-It Blank Puzzles 16 Piece 24 Per Pack Specifications Size: 4 x 5.5 in. Weight: 2 lbs