1. Material: plastic 2. Applicable people: children (4-6 years old) 3. Plastic material, safety and environmental protection, harmless to the human body 4. Edge grinding smooth and rounded, do not hurt the baby hands 5. Practical toolbox and schoolbag, parts placed not easy to lose 6. Simulation of real scenarios, familiar with simple engineering principles, so that children understand more tools 7. Electrical drill power supply: 3 x AAA batteries (not included in the shipment)
