Amazon.com: GTIWUNG 24Pcs 1A 250V AC 2Pins SPST Momentary Mini Push Button Switch Normal Open, Mini Momentary Push Button Switch 7mm for Arduino DIY : Industrial & Scientific
Gikfun 6x6x4.3mm TACT Switch Push Button for Arduino PCB (Pack of 50pcs) EK1019: Amazon.com: Industrial & Scientific
MonkeyJack Push Button Switch, 20Pack LED Illuminated Square Shape Momentary Self-Reset Push Button Electric Circuit Switch AC 250V 3A: Amazon.com: Industrial & Scientific
DIYhz Hinge Straight Lever Waterproof Momentary Push Button Micro Limit Switch with Line 1NO 1NC SPDT Snap Action Mini Switches 2 Pins 1 Pc for Arduino, Appliance and Electronic Equipment: Amazon.com: Tools
Amazon.com: Universal 4 Key Push Button Switch Module Keyboard Board for for Arduino DIY KIT Universal : Electronics