MAGIC CAPSULES

A friend from work was in NY a couple of weeks ago and brought as some very little presents,I'm fascinated by these morphing capsules.I will never get how they work but they are a lot of fun,today I wait all day to see the result as i didn't recognise any shape till at least 4 hours since I put the capsule into water ,in the end i got a cute elephant and I'm already thinking to use it as a stamp.