My kids love to play with things like the left over cardboard from deliveries that became a 'cubby house'. I used to love playing with some left over carpet str

My kids love to play with things like the left over cardboard from deliveries that became a 'cubby house'. I used to love playing with some left over carpet strips that became roads. I think children naturally like 'toys' where you imagine them into existence, although I am not sure how they'd like only to have those toys and nothing modern.