Bed linen for a child 8 options Fabric CHAINHO https://www.aliexpress.com/store/product/Chainho-Bears-Fishing-Cartoon-Twill-Cotton-Fabric-For-DIY-Quilting-Sewing-Of-Baby-Children-Sheet-Pillow/1800862_32823209446.html?  spm a2g0v.12010612.0.0.2f8bc76bOhDcA2 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.