1, jigsaw puzzle
Tangram can be said to be a simple but brain-burning geometry teaching aid, and it plays a great role. Therefore, it is not only a frequent visitor to primary school exams, but also a primary school curriculum to learn and use. It can make people know geometric figures, establish geometric experience for abstract mathematical knowledge points and establish children's perceptual knowledge of geometric concepts, such as side length, angle and area (size).
Two, nine rings
It is a folk toy in China. It is composed of nine rings made of metal wire, which are sleeved on the transverse plate or various frames with ring handles. When playing, repeat the operation according to certain procedures, so that the nine rings can be untied or combined into one.
3. luban lock
Luban lock does not use any cement and nails, and there are gaps in the middle, and the gaps are combined. It seems simple, but the design is quite difficult. The tenon is only made up of different grooves of wood strips, and the tightness of the grooves is slightly insufficient, which may affect the structural stability. It is necessary to accurately place the tenons of wood blocks of different sizes in order to combine successfully. As long as one piece of wood is removed, the whole combined wood block will fall apart.
4. ever-changing building blocks
The ever-changing building blocks always play a very important role in the kindergarten education curriculum. Its secret lies in that it can fully satisfy children's various interests, provide children with an integrated experience, and stimulate their imagination and creativity in the process of building.
5, dominoes
Domino is a rectangular domino made of wood, bone or plastic. A domino pattern consists of hundreds or even tens of thousands of dominoes. Dominoes can be stacked into various domino shapes such as single line, multi-line and characters, and can also be used as building blocks, houses, archways and puzzles.