6 x Nixie IN-12A displays each complete with K155ID1 driver IC (equivalant: SN74141) and sockets.
Z5900M Numeric Nixie Tubes Nixie Clock Tube Indicator Tube -- TESTED (1 pcs)
MULLARD ZM1020 X4 (ZM520) NIXIE TUBES FOR CLOCKs NOS
RETRO DISPLAY LED DISPLAYS & NIXIE
4-bit Glow Tube Clock Colorful IN-12A IN-12B DS3231 Nixie LED Backlight
74HC595 2Bit LED Nixie Tube Display Module Applied 3.3V-5V Digital Tube UK
ELEGOO 6PCS 400 Points Solderless Breadboard Kit for Arduino Projects