A very nice puzzle for children!!! 9 pieces and 4 eyes. Front 9 red and back 9 different colors .You can make: faces, figures, numbers and the alphabet. Solve the 144 problems in the booklet or make your own faces and figures. Turn the solution over. You will then get a colorful image. Also make a monogram AD of the designer. One in red and one in 9 different colors. Material sign plastic.This is the only of my designs with a solution booklet. Of course not to give to the children!Some examp...
The most difficult puzzle I have designed. The puzzle consists of 15 pieces. Some pieces can be slid under the edge. Goal: Make the numbers 1 to 9 from left to right in the frame There are different possibilities. But there is only one possibility to slide to a magic square. The numbers are engraved in the pieces. Material acrylic.If you carefully open the puzzle (press the bottom of the title square piece) you will see a 4. Remember that.
Everyone knows the problem of 8 queens on a chessboard, In the puzzle is a booklet with all the assignments. But I also came up with my own assignments. Material plastic.1. Make lines with 2 DOTS. Horizontal, vertical or diagonal. I found 32 lines 2. Do this also for 3 DOTS. 13 lines found. 3. Do this also for 4 DOTS. 8 lines found.