I just put mine together, using the paper strip method as an "on/off" switch. They work beautifully! I figured the morning of the wedding we'll turn them on and put them in the lanterns, then hand the stuff off our onsite WC.
I went with 3 for my 12" and 14" lanterns, and I will probably use 6 for my bigger lanterns.
Originally Posted by Dominican Ally
This is such an amazing idea! I just ordered 200 leds and 200 batteries from China (ebay) for about 40.00 and they had free shipping. We received them the other day, and just tested them out tonight - I'm so happy it works! 4 of them in my 16 inch paper lanterns seem to be perfect! I'm going to see how long the batteries last so that I can see what sort of time frame I have while down at the wedding. Ideally I'd like to tape together all of the throwies a day or two ahead of time - and the FI and best man can be in charge of hanging the lanterns/installing lights the day of the wedding if the hotel won't hang them for us