F is for Funday #6

The key is …

12 Key Membrane Switch Keypad 4 x 3 Matrix

5PCS 4 x 4 Matrix Keypad Membrane Switch

4 x 3 Matrix Array 12 Keys

3×4 Matrix Array Membrane Switch Keypad

10PCS 1×4 Key Matrix Membrane Switch Keypad

5 pcs 20 Key Membrane Switch 4×5 Matrix Keypad

1×5 Matrix Array Membrane Switch Keypad

1×5 Matrix Array Membrane Switch Keypad – Arrow

4×4 Matrix Keyboard Module 16 Push Buttons

5 Keypad Board Matrix Buttons Module

Silver Metal Digital Electronic Password Cabinet Code locks

Stripboard / Veroboard

12pcs/set DIY Prototyping Board

130mm x 250mm Panel Single Side Copper Stripboard Green

2 Pcs Single Side PCB Stripboard Green 9.8″ x 5.1″

5 Pcs Prototyping Stripboard 90x70mm

3.5″ x 5.9″ Prototyping Double Side Copper Stripboard

20pcs PCB Prototype Board 2X8 3X7 4X6 5X7

20 pcs 2×8 cm Prototype Double-Side Universal Board

MEGA Proto shield V3 expansion board for arduino

Cases, boxes

Hard Plastic Battery Protective Storage Boxes Cases Holder For 18650 Battery

10pcs/lot Hard Plastic Battery Protective Storage Boxes Cases Holder For 18650 18350 CR123A 18500 Battery

10pcs Mini Slide Metal Storage Box

Plastic Electronic Project Box 100x60x25mm

Waterproof ABS Plastic Electronic Enclosure Project Box Black 103x64x40mm

electronic case (10 pcs) 363615mm plastic housing

Transparent fashion 30 bottle storage box

7125.5100mm DIY Aluminium Preamp Case project

64x58x35mm Blue Metal Enclosure with transparent Clear cover

229-35-150 mm (W-H-L) Metal Enclosure Box

150x70x100mm metal enclosure box

150x70x200 mm industrial case electronics enclosure

Aluminum electronics box (10 pcs) 2582100mm

10 pcs /lot electronics diy enclosures, wall mount plastic box

Aluminum alloy Instrument shell electric enclosure box 64X25.5X80mm

Components for MQTT Letterbox by MickMake

… okay, not exactly the same, but pretty near.

110*60mm DIY Sunpower Solar Cell 6V 1W

Mini Solar Lipo Charger Board

Sharp IR Sensor GP2Y0A21YK0F Detecting Distance 10 to 80cm with Cable

10 Pcs 12V Sw-18010 High Sensitivity Vibration Sensor Switch

DHT22 Digital Temperature and Humidity Sensor AM2302 Module+PCB with Cable

Luminosity Sensor Breakout TSL2561

3.7V – 1000mAh, polymer lithium ion / Li-ion battery