The ‘Noble Gas’ discharge tube set. – Hand made by famous neon artist!
You get:

He – Helium, Ne – Neon, Ar – Argon, Kr – Krypton and Xe – Xenon tubes,
All tubes 100% mercury free!

You need:

a high voltage power supply 1500-8000V @ 35kHz – 25mA

The power supply shown on the picture is not included but can be found here.