The Gold Cube blank tray is missing a mat. Why? Due to the popularity of the Gold Cube and our world famous “Vortex Mat”, many Entrepreneurs have designed matting that they claim works better than ours, such as the Mini Dream mat or Micro Dream mat. We now give you the option of deciding for yourself by supplying a blank tray that you can experiment with. Please do not harm any animals or entrepreneurs in the making of you new “Supercharged” gold cube. And please do not blame us…we’re just giving you the raw material, you supply the brains.