Two years ago my DIY floating candles for our Harry Potter tree got a lot of attention online, so you might recognize these: Those are battery-operated candles, though, so if you need to make LOTS of them - say, more than 10 or 20 - then the battery cost alone starts to add up. (They each take 2 AAs) The only other floating candle method I've seen uses toilet paper rolls and LED tealights. The tealights are too small for the rolls, though, so you have to use hot glue to make a "shelf" inside…
