1. Material: wood2. Applicable age: over 8 years old3. Product principle: drive the generator to rotate through the hand-cranked large disc to realize the output of electric energy to light the bulb4. Product features: interesting scientific and educational toys, exercise hands-on ability5. Extended hand crank, easy and labor-saving rotation6. Red wheel fixed, balance device7. Wire perforation design, standard and neat8. Product size: 16 x 12.5 x 8.5 cm9. Note: Self-assembly is required, and instructions are provided! Specification: Package Weight One Package Weight 0.13kgs / 0.28lb One Package Size 20cm * 5cm * 25cm / 7.87inch * 1.97inch * 9.84inch Qty…