Teching All-Metal Engine DIY Model Collection Gift Developmental Science Toy DM20

Description: Brand: Teching Item No.: DM20 Quantity of Parts: 67pcs Net Weight: 240g Battery: 500mAh*2 (Include) Working Voltage: 10-20V Charging Time: About 40 minutes Display Time: More than 30 minutes Age: More than 10 years old Packaging: Retail Box and Gift Bag For English manual, please click here Package Included: 1 X Teching Model 2 X 500mAh batteries