Previous cake pop display stands/holders thread:

http://cakecentral.com/cake-decorating-ftopict-698162.html

How to make a styrofoam cake pop display:

http://thediyclub.com/2011/10/tiffanys-lollipop-trees-cake-pop-stand-with-styrofoam/

http://formamas.blogspot.com/2011/11/cake-pop-stand-diy.html

http://blog.lundbyhive.com/2011/03/cake-pops.html

Can also purchase:

http://www.thesmartbaker.com/categories/Cake-Pop-Stands/

http://www.cakepopstand.com/default.php

http://www.artfire.com/ext/shop/product_view/3857751

http://cake-pop-stands.com/?page_id=68

http://crystalpalacecupcaketree.com/cake-pop-stands.html

http://cakepopsraleigh.com/
Tiered wooden cake pop display stands. (Scroll all the way down.)

http://www.kcbakes.com/cake-pop-stands.html
More wooden display stands.

These look like something you could make yourself:

http://www.etsy.com/listing/82015855/3-tiered-display-holds-3-dozen?utm_source=googleproduct&utm_medium=syndication&utm_campaign=GPS

http://www.etsy.com/listing/84762184/cake-pop-stand-reusable-stand

HTH