鞋子有多少输入？

I'm trying my luck with Shoes and wanted to create a number input. I know there's list_box but that's a simple dropdown select which would require an array of known numbers. However I don't know how many numbers the array will hold. It could be anything between 1 and 1000 or more. The user will have to decide that. And its methods (on The Shoes Manual website) don't seem to help me with my wish either.I'm trying my luck with Shoes and wanted to cre