I don’t know if this is old info for you savvy youngsters, but I only found it this morning when looking for a random name picker tool to use for my giveaway draws. Discovered a bunch of (new to me) Google tools built right into the search engine.
In addition to the Spinner I used, there’s a number picker, coin flipper, die rollers, a metronome, and a few other tools. The Die Roller is particularly impressive, with a range of dies (from D4 to D20) available that can combined or duplicated in any way.
There’s also a bunch of Games and Toys in the same tool: