Slide de numbers from 1 to 14. The center piece can only slide up and down. Pieces cannot fall out through the transparent top plate. More assignments on the back of the puzzle. Material MDF.
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.
12 pieces with inlaid letters. Pieces with tongue and groove. All pieces 202x20 mmSlide from the starting position ALBWHITE CK!!ET TO !WHITE !BLACK! On the back there is a slide up and down. This slide changes the free hole.Then slide to BLACK! WHITE! easy?Material Acrylic.
At IPP 28 2008 in Prague the participants received a cardboard drawing of this puzzle. I enjoyed making a few, this is the last one I have. An additional slide holder with the history of the towerMaterial MDF.