The puzzle has 8 sliding pieces arranged in "start position". The object of this puzzle is to arrange the numbers from 1 to 8 vertically starting with the left column, through the middle and last the right column (see 'Start Position' and 'End Position' in the illustration below:
What is really cool with this great brain teaser is not only this one is really hard to solve, but the other thing is that not only the 8 number pieces are moving, but also the upper layer of the frame is moving UP and DOWN and it helps you to slide pieces to the left or right blank spaces in order to move forward with your solution.
Note: Wood color may vary.
Handmade by Siebenstein Spiele, puzzles designer, inventor, and artist.