Puzzles can be decorated with oil and water-based artist paints, mediums, inks, watercolors, markers, pencils, crayon, and other drawing materials. Toys play a crucial part in development of a child. Toys as simple as wooden blocks or numbered puzzle, develops cognitive and physical skills. Complex puzzles, remote control cars, bubble guns helps learn and analyse cause effects and spatial relationships. Babies tend to play more and more with such toys and make themselves happy. Features 8.5 x 11 in. Puzzle-It Blank Puzzles with Envelopes, 12 Puzzles Per Pack 63 Piece Specifications Color: White Number of Puzzles: 12 Size: 8.5 x 11 in. Weight: 2.5 lbs