Delicate workmanship,smooth mushroom nails,there are 296 mushroon nails:small,middle,large,their lengths are 18mm,23mm,25mm.
With joint on the mushroon nail,hard to move on the pegboard.
Can puzzle all kinds of patterns.
Has lightweight and convenient storage box,can put the nails in it when you don’t use it.
Encourage the children to study on their own initiative and try and experience success as well
as failure in games and experiments,which is a more effective way for children to learn knowledge
than forcing them to learn