Using wool leftovers for crocheting

What if you have wonderful neighbors who gift you a lot of wool leftovers? It made me very happy because I can use it to crochet. During the Christmas break, I for example made this cute octopus! 💚

(Octopuses have many fascinating characteristics, such as 9 brains. Learn more: https://medium.com/the-environment/3-eye-popping-characteristics-of-octopuses-that-inspire-modern-technology-19931a9e42ef)

What leftovers (your own or your neighbors') can you put to good use? Maybe not wool, but wood, food, etc. instead?