uxcell N20 10mm Length Shaft DC 3V-12V 30-200RPM Speed Reduction Geared Motor

uniquegoods 1803BKW 1.8v 3v 5v 6v 7.2v 12v 2A 30W DC Motor Speed Controller (PWM) Adjustable Driver Switch

Magic&Shell 2-Pack 3mm Flange Shaft Coupling High Hardness Metal Axis Bearing Fittings DIY Model Accessory Rigid Flange Guide Shaft Coupler Motor Connector

EUDAX 6 Set DC Motors Kit, Mini Electric Hobby Motor 3V -12V 25000 RPM Strong Magnetic with 86Pcs Plastic Gears, 9V Battery Clip Connector,Boat Rocker Switch,Shaft Propeller for DIY Science Projects

eBoot 30 Pieces Photoresistor Photo Light Sensitive Resistor Light Dependent Resistor 5 mm GM5539 5539

uniquegoods 1.8v 3v 5v 6v 7.2v 12v 2A 30W DC Motor Speed Controller (PWM) 1803BK Adjustable Driver Switch

Pololu 1083 Universal Aluminum MOUNTING HUB for 6mm Shaft Pair, 4-40 Holes

2pcs 3mm-3mm Golden Brass Shaft Coupling Coupler Motor Transmission Connector

XtremeAmazing RC 2200KV Brushless Motor 2212-6 + 30A ESC + Free Mount for RC plane helicopter

ELEGOO MEGA 2560 R3 Board ATmega2560 ATMEGA16U2 + USB Cable for Arduino Projects RoHS Compliant

ELEGOO 17 Values 1% Resistor Kit Assortment, 0 Ohm-1M Ohm (Pack of 525) RoHS Compliant for Arduino, Respberry Pi Projects