1. The product is equipped with a 3.7V 300mAh lithium battery (included). 2. The remote control requires two 1.5V AA batteries (sold separately). 3. The 10-channel remote control can control: forward, backward, left forward, right forward, left backward, right backward, turn left on the spot, turn right on the spot, the rear bucket rises, and the rear bucket drops. 4. Suitable age: 6 years old and above. 5. Material: stainless steel. 6. Size: 21.3x12.3x13.9cm. 7. Number of blocks: 934. Packing list: Track dumper assembly (set) x 1 Remote control x 1 Manual x 1 Charging cable x 1 Tools (set) x 1 Number of spare screws Specification: Package Weight One Package Weight 1.25kgs / 2.75lb One Package Size 39cm * 27.5cm * 8cm / 15.35inch * 10.83inch * 3.15inch Qty per Carton 20 Carton Weight 25.60kgs / 56.44lb Carton Size 80cm * 58cm * 42cm / 31.5inch * 22.83inch * 16.54inch Loading Container 20GP: 136 cartons * 20 pcs = 2720 pcs 40HQ: 317 cartons * 20 pcs = 6340 pcs