DIY Jellyfish In A Bottle is one of the coolest kids’ crafts that I’ve come across! This has a science theme and is an easy, inexpensive, clever craft to make. Reduce, reuse, recycle is the battle cry of our Earth. The Earth will be pleased because this craft is considered to be very Earth friendly. The list of supplies for DIY Jellyfish In A Bottle include a transparent grocery bag, a water bottle, thread, and food coloring.