A compilation of radioactive items I own, and some brief information about them.
Uranium Glass
Probably the most well known and ubiquitous household radioactive item. Perfectly safe, and quite pretty, especially under UV! Comes in a variety of types/colours like:
"Regular" Green
Vaseline (More of a yellow colour)
Dark Green (Fluoresces less)
Amber
White/Milk
Jadeite
Burmese
Uranium Glaze
Comes as a light green glaze that fluoresces under 365nm UV, or as a orange glaze that doesn't fluoresce, but is much hotter. Fiestaware is the most iconic, but there are many from different manufactures. I wouldn't eat of of them, but they don't pose much of a hazard.
Tritium
Tritium gas in a tube keeps these glow in the dark pendants glowing without the need to charge in sunlight. Pretty dim, but still useful! I also have an exit sign, which glows quite bright.
Antistatic Brush
Uses polonium to make removing dust easier... somehow. Idk the science, but it's cool. All the polonium has decayed by now.
Rocks
Radioactive elements can just come out of the ground. Also, bomb glass with Cs-137 created during atomic tests. Very neat.
Radium Clocks
A level up from uranium glass, these clocks are quite a bit hotter! Lots of cool variants. Main concern here is any dust that might come off of the clock. Even then, washing your hands after handling them and bagging them if they are especially "leaky" should be enough.
Radium Gauges
Now we're getting hot. These produce a non-insignificant amount of radon gas. For that reason, it's good to keep them in place with a lot of ventilation. You also wouldn't want to sleep right next to them.
DP-63-A
Hot! This soviet geiger counter uses a radium to illuminate the scale. They used a lot, so it's quite radioactive.
1951 US Compass
500uSv/h on contact with the bottom of this compass- I wouldn't take it with my hiking. Also has exposed radium paint! Wow, fun! I also have a 1937 British compass, which is not as hot, but has even more exposed paint.