I love knitting colorwork socks with my yarn leftovers.
Vroni is a pattern for kids and teenagers. I've designed this pattern for my niece Veronika, called Vroni. She loves pink and she loves cats. You need sock yarn in minimum 3 colors. It's a perfect pattern for leftover projects. You can work the stripes in many many colors, it's fun!
Another sock pattern for scrabs is Adrian's foxes. Adrian is my little neighbour. Since 3 years, foxes live in our gardens. Adrian and his brother are completely in awe! That's why he asked me to knit fox socks. The pattern is written for kids and teenagers. In the pattern, instructions for 4 sizes are given. You need sock yarn in 3 or more colors.
For Zickzacksocken you can work all your yarn leftovers. Instructions for 4 adult sizes are given in the pattern. You can knit a all over colorwork version or a version with more space for the heel. Both versions are given. The picture shows the version with space for the heel.