Joann's has one that is for sale online only.
http://www.joann.com/folding-magic-m...x-6-/prd22442/ I bought mine at Hobby Lobby with a Joann's coupon so I got it for around $7. You could easily make this yourself. Joann's sells pieces of mirroring
http://www.joann.com/darice-8-x8-squ...ror/xprd78605/ or you could get it at a glass shop. Just tape them together and VOILA! you have a mirror to help with making a kaleidascope! I find I get mine out to play with alot. It is fun to see the different designs!!!