Turn your old floppy disks into planters.
Floppy disks can also be turned into mini-notebooks or even lamps.
Use floppy disks as coasters.
Around the holidays, you can break up old CDs to make sparkly ornaments.
Turn old CD cases into a mimi greenhouse.
An iMac monitor can become your cat's new house.
For the truly ambitious who still have a VHS player around, you can turn it into a toaster. This will take a little work and know how.