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Robot climbing car tire tyre hollow 75mm good elasticity DIY toy chassis accessories
Best quality Rubber for better road grip
Size: height 75mm size: width 35mm Hex mount size: 8.3mm Hex hole: 3.0mm weight: 50g
N20 DC 3-6V small gear motor metal gears long shaft
DC 5-12V Long Shaft Turbine Gear motor Slow
21mm pulley small wheel rubber tire plastic tyre robot science education toy acc
DC12V Japan Nidec Super high speed fan 4056 Server Cooling High Speed Brushless
plastic wheel track with bearing wheel+ driving wheel+ track for tank chassis tr
Robot remote control car gear motor 5V L+R set worm gear motor
WS2812 RGB LED Breakout board module
Ultrasonic HC-SR04 Mount Holder ping sensor bracket
stethoscope school experimental science kit doctor STEM DIY