Laundry for children?
It is permitted to launder clothing of children that are commonly soiled.<a href="#_ftn1" name="_ftnref1">[1]</a>
<a href="#_ftnref1" name="_ftn1">[1]</a> Kitzur 104:13

Shulchan Aruch HaRav | Washing children’s clothing on Chol Hamoed

Laundry for children? It is permitted to launder clothing of children that are commonly soiled.[1] [1] Kitzur 104:13