You can put lots of stuff in bottles:
http://www.thecentsableshoppin.com/dont-throw-those-2-liter-soda-bottles/
Genies come in bottles: http://www.amazon.com/gp/aw/d/B00I099K4K/ref=mp_s_a_1_10?qid=1417588972&sr=8-10&pi=AC_SX110_SY165_QL70