Kraftsman, Presents stack-up puzzles also called layered puzzles. The puzzle is 6 pieces puzzle and has layers of wooden cutouts from the small piece at the bottom to the largest piece at the top.nKids need to sort Elephant-shaped cutout puzzle pieces from small to mid-sized to large sizes.nKids can stack up all the puzzle pieces to learn small to large size stack up one by one from bottom to top to the biggest piece.nWe did not color the pieces as kids may learn the color combinations to sort the puzzle rather than understanding the concept or stack up/layered puzzle.nWe allow kids to color each piece of the layered puzzle to play with their own imagination. Keep your kids busy with coloring the puzzle game by themselves and enjoy the puzzle forever.