Creates a glowing lantern by holding a Neopixel (breadboard friendly) inside most washing up bottles and many shampoo bottles. Very similar to my Milk Bottle Neopixel holder http://www.thingiverse.com/thing:490216. Pretty straight forward to print. Takes 33 mins on my Ormerod Mk1. I've used several of them in a group hanging from strings, as a sensory activities for babies. Don't let very young children unscrew them, as the Neopixel and cables aren't designed to be chewed. I use 6 strand alarm cable to connect one to the next. There's a loop to tie string to take the weight (don't use the cable as the main support). Make sure you don't use bottles that are opaque (doh!!!).