This paper toy is designed by canon papercraft. A sliding puzzle, sliding block puzzle, or sliding tile puzzle is a puzzle that challenges a player to slide usually flat pieces along certain routes to establish a certain end-configuration.
The fifteen puzzle is the oldest type of sliding block puzzle. It was invented by Noyes Chapman and created a puzzle craze in 1880. Sam Loyd is often wrongly credited with making sliding puzzles popular based on his false claim that he invented the fifteen puzzle.
Unlike other tour puzzles, a sliding block puzzle prohibits lifting any piece off the board. This property separates sliding puzzles from rearrangement puzzles. Hence, finding moves and the paths opened up by each move within the two-dimensional confines of the board are important parts of solving sliding block puzzles.
Sliding puzzles are essentially two-dimensional in nature, even if the sliding is facilitated by mechanically interlinked pieces or three-dimensional tokens. As this example shows, some sliding puzzles are mechanical puzzles. However, the mechanical fixtures are usually not essential to these puzzles; the parts could as well be tokens on a flat board that are moved according to certain rules.
This type of puzzle has been computerized and is available to play for free on-line from many Web pages. It is a descendant of the jigsaw puzzle in that its point is to form a picture on-screen. The last square of the puzzle is then displayed automatically once the other pieces have been lined up.
In this sliding puzzle, the dog looks like he's playing with a ball! Slide the puzzle pieces as you like, and swap the red and blue ball around. If you use the large and small obstacle pieces, it takes 71 moves to exchange the balls! If you're finding it hard, start by practicing without the small obstacle piece.
You can download this canon papercraft from here: Canon Papercraft - Dog Sliding Puzzle Free Paper Toy Download