Description: *** FREE introduction price - we will keep this puzzle free for the time being - so get it while you can for free! **** The Bird & The Snail - Knock Knock - Slide Puzzle is a variant of the classic 15 puzzle game (also known as gem puzzle, bozz puzzle, game of fitheen or mystic square) with images from the interactive children's book The Bird & The Snail - Knock Knock. Instead of fifteen puzzle pieces our puzzle has eleven pieces making it slightly easier for a child to play. Fun for kids and adults - solve the puzzles and recieve a star for each completed puzzle. Go back and play again - the pieces will mix randomly for each game. Features: 6 different puzzles Random scramble of pieces for each game (over 86 000 different combinations for one puzzle). Beautiful handdrawn charcoal drawings! Fun to play! Challenging! Make sure you check out the other apps in The Bird & The Snail - Knock Knock app suite! DELUXE - contains all the Knock Knock apps THE BOOK - animated interactive storybook with original music and sound effects. PAINT FULL - coloring book with images from the story. PAINT LITE - a limited version of the coloring book. MEMORY MATCH - a classic memory match game with images and sounds from the story. Also make sure to check out our other book for children - Oog & Gappo in the Kitchen.