I have access to cardboard and need furniture the sundial is funny the other to just seem cool


http://www.instructables.com/id/sundial-compass-spirit-level-All-in-one-time-pi/ http://www.instructables.com/id/Worlds-Best-Cardboard-Chair/
http://www.instructables.com/id/Tesla-turbine-from-old-hard-drives-and-minimal-too/
http://www.instructables.com/id/Non-PV-Solar-Power/