1. Material: paper 2. Puzzle size: 52.8x52.8cm 3. Function: good gifts, convenient storage, thumbnails included 4. Examining aviation technology and understanding human wisdom 5. From planet to galaxy, logical thinking is a big challenge 6. 150 puzzles, a big test of concentration 7. Applicable age: 5 years old and above 8. Packing size: 22x22x12cm 9. Packing weight: 625g 10. Matters needing attention: avoid contact with water, wipe with dry cloth, do not get damp, avoid exposure to the sun and floor heating
