1. Material: Plastic
2. Purpose: Cultivate children's spatial imagination, logical thinking, and relieve stress
3. Rotate the direction of the block buttons to change different shapes, or they can be separated or spliced ​​together
4. Chain-type buckle design, which can be deformed, inserted and rotated at will
5. Dimensions: three sections: 7.5 x 1 cm, four sections: 8.5 x 5 x 1 cm
6. Weight: Three sections: about 16 grams/piece, four sections: about 21 grams/piece
7. Packing: OPP bag