1. It is made of safe and non-toxic materials, which will do no harm to your children.
2. Jigsaw puzzles are a good way to improve your baby's manipulative, sensory and observation abilities.
3. Spatial intelligent three-dimensional puzzles can cultivate children's ability to recognize lines, shapes and forms, and understand the meaning of space through brain and eyes.
4. Parent-child interaction to improve the baby's interpersonal skills and increase parent-child interaction.