1, put two triangles together to form a square.

2. On the right side of the square, draw a red semicircle beside it.

3. Place the red arc on the right side of the red semicircle.

4. Under the red semicircle, put the blue arc next to a small square.

5. On the left side of the triangle, place two cyan rectangles side by side with their upper ends together.

6. At the top of the cyan rectangle, place the purple and cyan rectangles side by side.

7. Draw a red semicircle on the left side of the purple rectangle.

8. Put a light yellow semicircle at the top right of the red semicircle.

9. Put your eyes on the red semicircle, as shown in the figure. Just put it together.

Building block is a kind of children's toy, which consists of many different shapes of wood blocks. Each block has a groove and a cam, which can be embedded and combined with each other. By splicing these blocks, children can create various shapes, structures and models.

The types and shapes of building blocks can be different, some are simple squares, while others have more details and special functions. Common types of building blocks are ordinary squares, figures and animals, vehicles and buildings, and so on. In addition, there are some building blocks with special functions, such as electronic building blocks with sound, light or movement functions.

Playing with building blocks is good for children. First of all, you can exercise your child's hand-eye coordination and spatial imagination. Children's creativity and logical thinking ability can be cultivated by splicing and combining building blocks with different shapes. Secondly, building blocks can help children learn basic geometric concepts and mathematical principles, such as shape, size and quantity. In addition, playing with building blocks can also cultivate children's patience and concentration, so that they can solve problems through repeated trials and adjustments.

Generally speaking, building blocks can not only play, but also promote children's development. It can not only provide fun and creative space, but also cultivate children's cognitive ability and practical ability.