that improve your mind Puzzle Peter Cube 6 years old and Q750716 GakkenShapes (target age above)

This is a shape puzzle developed by Peter Frankl. This is a shape puzzle that aims to complete 66 shapes, rectangular parallelepipeds, etc. using 10 T-shaped pieces and question pieces that can be rearranged. Contains 66 questions from levels 1 to 7 that can be enjoyed by both children and adults. By holding a three-dimensional piece made up of cubes and thinking through trial and error, children will naturally acquire logical thinking and shape recognition skills. Recommended by the Mathematics Olympic Committee and the Mathematics School Argo Club. Target: From children to adults Target number of people: 1 person Contents: 10 T-shaped pieces, 5 question pieces, 1 grid board, case with lid, guidebook & beginner problem book, advanced problem book Product shape: cube