This is an L-shaped puzzle that helps develop spatial reasoning skills. I'm selling it because my son no longer uses it. The puzzle and all the sheets are complete. The corner of the instruction manual is slightly torn. Please refrain from purchasing if you are overly concerned about condition. - Product Name: L-shaped Puzzle - Target Age: 3-6 years old - Set Contents: L-shaped puzzle, problem cards - Design: Mouse illustration - Type: Educational toy Thank you for looking.