Bed linen for children 7 options Fabric CHAINHO https://www.aliexpress.com/store/product/Chainho/1800862_32830690703.html?spma2g0v.12010612.0.0.3a96205bHuTPYc  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.