Cardboard Dollhouse — Slinks: (slingks) Surreptitious web links to other good sites
13 Unique Playhouse Ideas From Cardboard
Phenomenal 13 Unique Playhouse Ideas From Cardboard https://mybabydoo.com/2018/01/30/10205/ Building your own playhouse doesn't always have to be expensive. In fact, you can build one from the recycled cardboard at home.
"Tsumiki" chalk building blocks by a Japanese company. This is such a cool idea for kids to design there toy with chalk and then redo it over and over again. I bet you could chalkboard paint wooden blocks and DIY.