3mm Micro Slide-switch (Pack of 5)

SYB-46 Breadboard Test Board 90*52*8.5mm

28MM Metal Alligator Clip Crocodile Electrical Clamp Testing Probe Black and Red with silicone boot 

Matte Black or White PLA filament from Fil-X 1.75mm

Heatbed / Extruder or for general DIY Purpose.

5V LED Traffic Light Module

1.25V - 37V Output @ 3A DC-DC 3-40V Input Step Down Adjustable Power Supply 3A peek power, 2A constant current.

Dupont Cable 100mm Male to Female, 40way. Ribbon Cable Header strip