DIY Washi Tape House from Poppinette. This is such an easy and cute DIY for a kid’s room. A Personal Experience Tip: Try a small piece of tape in an inconspiculous place to make sure it doesn’t rip off your paint.
DIY Kids Hallway House Using Tension Rods. Use one or two curtain tension rods plus imagination. Really cute tutorial from the opening mailbox to the lantern inside from ikatbag here.