ZHONGJIUYUAN 20 Pieces Long Strip Rack Gears 0.5 Modulus Plastic Gear Plastic Connecting Rod Toy Parts Pinion Transmission Set Drive

Electronix Express- Hook up Wire Kit (Solid Wire Kit) 22 Gage (25 Feet)

EUDAX 6 set Rectangular Mini Electric 1.5-3V 24000RPM DC Motor with 84 Pcs Plastic Gears,Electronic wire, 2 x AA Battery Holder ,Boat Rocker Switch,Shaft Propeller for DIY Science Projects

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

Elegoo EL-CP-004 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Wires Ribbon Cables Kit for arduino

GREEN FABWOOD 75 Type Plastic Crown Gear Single Double Reduction Gear Worm Gear (Original Version)

ELEGOO UNO R3 Board ATmega328P ATMEGA16U2 with USB Cable For Arduino Projects RoHS Compliant

ELEGOO 5 Sets 28BYJ-48 ULN2003 5V Stepper Motor + ULN2003 Driver Board for Arduino