educational origami 3d three-dimensional children learning handmade children's thinking training concentration 3 to 6 years old early education enlightenment

[genuine lead-free pollution] children can play with it at ease

[64 models] first-level + middle-level knowledge map [64 models] first-order + higher-order knowledge-containing graph [64 models] middle-order + high-order knowledge-containing graph [32 models] initial level + knowledge map [32 models] middle order + knowledge graph [32 models] advanced + knowledge graph [96 models] three books + knowledge map of junior high school and senior high school