Go-Kreate Dies are suitable for most leading makes of Roller-type machines. All 50mm x 50mm dies and 50mm x 75mm dies are compatible with leading machines as follows: BigShot & BigKick (use multipurpose platform and cutting pads), Bigshot Express (655807 Extended Adaptor required, then use this with the Essentials Platform that is supplied with the Express machine.) Cuttlebug (use adaptor plates supplied with the machine), Sidekick & Tagalong (use Sizzix Adaptors part number 654449), Cuttlekids - No adaptors required. Sizes 50mm x 100mm and 100mm x100mm will fit the BigShot and BigKick machines (use multipurpose platform and cutting pads), and also the Cuttlebug (use adaptor plates supplied with the machine).