Schloss 250

Schloss 250

Schloss 250 An intriguing wooden lock that needs no key to open. There are four sliders that move horizontally, but they can’t move freely. You’ll need to move them in a sequential order and, as the name suggests, you need to do a minimum of 250 moves to open the lock. Invented by the prolific puzzle designer Jean Claude Constantin.

The first thing you see when you look at a puzzle is the photo or illustration of the finished puzzle. When choosing, keep in mind that the image must have an educational value, but also something that the child can identify with. If the image is familiar to the child or meets the educational purpose (such as learning colors or name objects), the experience of completing the puzzle will be more enjoyable, satisfying and productive. The image must be easily recognizable so that the child can recognize it as something that they see around them in their daily lives. It must also distinguish functions to help them decide where to place the piece so that it is placed in the right place

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