Bed linen for a child 8 options Fabric CHAINHO https://www.aliexpress.com/store/product/Chainho-Cartoon-Printed-Twill-Cotton-Fabric-DIY-Quilting-Sewing-For-Baby-Children-Sheet-Pillow-Cushion-Toys/1800862_32829619680.html?  spm a2g0v.12010612.0.0.3259d107rAceW9 In the scene only one option of bedding + bed.
To superimpose other options there are boxes in the scene with the appropriate names from which you can remove the material and put on the group bed linen.