A mosaic is a work of art made by assembling lots of little tiles or glass. However, you can make a mosaic out of anything as long is it is small and you have a lot of them.
Check out this glass window mosaic a student made a few years ago:
Here is a pretty cool mosaic made from pencils.
image from https://stylewhack.com/upcycle-pencils/
This one is made out of crayons.
- Anything you can collect a lot of and use to create a design. (You may need to bring some stuff in for this one. I do have paper tiles, we can look through the glass I have.)
- Some sort of Adhesive. It will depend on the supplies you are using.