Product weight: 0.3 kg / set

Packaging size: 18*13.2.2cm

Appropriate age: 14+ years old

Material: High quality metal

Product features:
*Chinese traditional folk intelligence puzzle toys, high IQ people can unlock the blacksmith puzzle
*Unlocking them takes a long time, which can also train people's patience. It is a logic games toys
*It can also increase the difficulty according to their needs
*A great puzzles for dementia patients

This brain puzzles set consists of 8 classic metal puzzles, all of these puzzles are very classic and popular, very ideal for adults because it combines both logic and creative thinking. It is also an ideal gift. This toy consists of nine interlocking links. unlocking them takes a long time, which it can also cultivate people's the spirit of work study focused and your patience. You can be assured of playing, because it is no burr, no rust, no fade, gloss durable, non-toxic, environment item. This product size designed according to the social survey, its size is in line with the requiremnets of most people, easy to carry, feel good. You solve the problem by yourself, then you will get achievement.

If you have the spirit of challenge, CHALLENGE IT!!!