1. Alloy material, mechanical device, anti-collision and drop-resistant2. Can be used as home furnishings after assembly3. DIY assembly, stimulate logical thinking, improve children’s hands and brain ability4. Parent-child interaction, exercise hands-on ability5. Physical construction model, difficult to assemble by hand.6. Smooth edges do not hurt your hands7. Material: stainless steel Specification: Package Weight One Package Weight 0.80kgs / 1.77lb One Package Size 20cm * 6cm * 25cm / 7.87inch * 2.36inch * 9.84inch Qty per Carton 36 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons…