Judi Maddigan's Push Molds have been discontinued by the manufacturer, but you can find scans of the molds and additional information on the Order pages. The molds are occasionally listed for sale on auction sites such as eBay.
One of the longest-running polymer clay message boards on the Internet, this website started as a Delphi forum. It is managed by Leigh and Stephen Ross. It includes tutorials for these projects using Judi Maddigan's Push Molds: Dainty Angel Decoration, Pewter Look Frame, and Victorian Candle Holder.
This is the official shopping site for talented polymer clay artist Maureen Carlson. See Maureen's crafting products as well as her adorable gift lines.