• 3.3V 5V Power Supply Module for Solderless Breadboard Electronic Circuit Board with 9V Battery Clip Power Cable 2.1x 5.5mm Male DC Jack Plug for Arduino (Pack of 3) KWD 3.500
• KY-040 360 Degree Rotary Encoder Module Brick Sensor Development Board with Knobs Cap for Arduino（Pack of 6） KWD 5
• 10 Pairs 12V DC Power Connector Male+Female 5.5 x 2.1MM Power Jack Plug Adapter Barrel Connector for CCTV Security Camera Led Strip Cable Wire Ends Plug KWD 3.500
• 5A Terminal Block White Screw Terminal Connector Dual Row Electric Barrier Block 12 Position Terminal Strip, 5 Amp 380 V（10 Pack） KWD 3.500
• 20Pcs 5ML Pipettes Dropper - Disposable Pipettes Plastic Dropper for Lab Science, Essential Oil, DIY Art, Kids Activities, Plastic Pipette, Droppers KWD 2
• Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V（8 Pcs） KWD 4.500
• Bike Brake Pads, High-Performance Brake Pads, Disc Brake Pads & Spring Compatible with TRP Tektro Shimano Deore Br for Mountain Bike Disc Brakes Bike Pads KWD 5