A friends got two Hello kitty bracelet kits, and gave us one. It says it is for kids 7 years and above, and my 3 yo did need a lot of assistance but it was a fun thing to do together. We got the gadgets to play with and roll the paper straps with, and my daughter loved it, but I think the core idea is simple and usable even without the kit and it’s equipment.
You will need colourful paper (why not just cut some old magazines?), scissors, a bit of glue and string. Cut the paper into long thing straps and role them in, put a little glue at the end to keep them together and then thread them on the string. Easy! Could even be added to the list of crafts that could easily be done in a hotel room.