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Material: wood
Suitalbe age: over 5 years old
One lot includes 3 different products:
1. DIY gear drive car: 14*6*3 cm (5.11*2.36*1.18 inches)
2. DIY worm robot: 10*12*5 cm (3.94*4.72*1.97 inches)
3. DIY jeep car: 12*6*8 cm (4.72*2.36*3.15 inches)
Knowledge point: gear drive
Note: the batteries are not included in the lot.
Note: When doing the "cliff" round trip experiment, please make a good protection against damaged when
the car is falling down. Choose a flat edge and rough surface platform.
Note: The fastness of the screw should be moderate to ensure that the gear and shaft rod can be rotated freely.
Attention the places of wires.
Two gears should be meshed together.
You can design the cars by yourself.