I want one of these SO BAD! EcoSphere - inside these sealed glass balls live shrimp, algae, and bacteria, all swimming around in filtered seawater. Put it somewhere with some light and they will self-sustain for years, no feeding or cleaning necessary.
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.