Here's something I drew for the game recently. I guess this is basically a simple animation, if you had way too few frames. I'm not exactly one to enjoy working on animation, but this was a pretty fun experiment since each of the frames is quite different from each other.

It's used in a mini game where you have to sort out the separate images into a working gif ( it goes into the pattern recognition lesson category in the game). The level with it is fully finished as well, so I hope to make a major update that will include this one, together wit several other levels soon. Also I have already made three other different transformation gifs which have levels to themselves as well. After sorting out all four of these gifs you will be able to test your reaction speed using all four at once in the following level. I'm coding that one as we speak and it's going surprisingly smoothly somehow. 

Also as a byproduct, I learned how to code and make a gif in game. It's very simple it turns out, just keep changing the sprite of an object in order and start from the first when you reach the end.  A simple Coroutine in C# was all I needed for that.