Spatial imagination refers to our ability to construct and manipulate three-dimensional space in our minds. It is very important in many fields, such as design, architecture, engineering and so on. Cultivating children's spatial imagination can be achieved through the following aspects:

1. Provide appropriate toys and games: toys such as building blocks, puzzles, Legos and puzzles can help children develop their spatial imagination. These games can help children learn how to build three-dimensional shapes, understand spatial relationships and imagine future structures.

2. Develop manual skills: let children make handmade products, such as origami, paper-cutting, painting and pasting. These manual activities can help children exercise their spatial imagination through visual and manual operations.

3. Provide children with the concept of space: take children to visit museums, science and technology museums, libraries and other places, so that children can understand different space concepts and historical and cultural backgrounds and stimulate their imagination.

4. Use digital tools: Digital tools such as 3D printers, 3D modeling software and computer-aided design software can help children build 3D models in virtual environments and improve their spatial imagination.

5. Cultivate children's thinking ability: children's logical thinking and reasoning ability are the key to cultivate spatial imagination. Children's thinking ability can be exercised through puzzles, puzzles and math problems, which is helpful for children to develop their spatial imagination.

In short, cultivating children's spatial imagination needs parents' attention and guidance. By providing appropriate toys and games, manual skills, digital tools, etc. Stimulating children's interest and curiosity can help children develop their spatial imagination, thus cultivating their creativity and innovation ability.