All numbers are in a slide.Slides from left to right. Under number 4 is the free hole. A difficult puzzle, but it can be solved. Assignments on the back of the puzzle.Material acrylic.
18 different pieces consisting of 2 squares with tail(s) and or head(s).Various assignments in the box. Main assignment. Place the pieces in a 6x6 square and make 18 complete Christmas trees.Material cardboard pieces.
