What are the best educational toys for 4-12 year olds?

Best educational toys for 4-12 year olds

: Rubik's Cube, Hwa Yung Do, Sudoku, Pandemonium, Nine Linked Rings and similar toys, Kongming Lock ......

DIY toys are mainly able to be assembled by some simple materials through say hand splicing, combining, creating, pasting and so on to make a toy that you want to complete. A toy that you want to complete. Like some simple wooden airplanes, tanks, tables, chairs, spot color stickers and so on can be made by simple material cutting, splicing and pasting, giving full play to the child's imagination and creativity.

So the safety of the material on the first place, choose the environmental protection with the national 3C mark of the material, the material from the life of the common, you can cultivate the quality of the child's savings, but toys, health or pay close attention to the situation.