Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
This is an epoch-making magnet puzzle that stimulates the development of concentration, power of observation and memory. 3 types of puzzle pieces can be connected, so you can play without getting bored. / Also, it sticks to the book, so you don't have to worry about losing pieces. / The feature of "step by step" is that you start with simple 9 pieces and step up to 12 pieces and 16 pieces. Puzzles can be connected, so you can challenge even more difficult puzzles such as 21, 28 and 37 pieces. / You can also learn about working cars that appear while playing with puzzles.