Temper tantrum lip synch [via].
Kids and animals at the zoo (cute alert).
This MIT experiment is awesome and scary at the same time (this gibberish got published as legit just because it looked cool). Reminds me of the Turbo Encabulator.
Google “City of Woodland Hills Trash Enclosure Requirements” and check out the image results.
Wooden Water Droplet Machine is simple yet awesome.
Top image from Andrew Loomis‘ “Fun With A Pencil” 1939. Free download here.