Children's digital toys recognition number early education assembling building blocks jigsaw puzzle shape matching toys. Early Education Awareness 1-2-3-4-5-6-7 Years Old Baby Toys! Building blocks are made of wood. Wood knots may appear. Drop the paint. And so on. I just opened it and it tasted a little bit. Use it after ventilation! ! ! Buy one get two get storage bags and bird flute toys!