Festivus stocking stuffer: Microworld

Cool flash site for a fun product
Mikroworld

Warning Label Maker

Ingenious.
From Retro thing

Office Toys: Marshmellow Gun

40 feet. 40 feet!!!
Thinkgeek

When Engineering goes Horribly Odd

Interesting concept; too bad it's only for tourist boats.
Falkirk Wheel

Stereo View of the Sun

Stereo satellites to get live 3D views of the sun.
NASA (source from Slashdot )

Watches: Zenith

Car.. or watch... Car.. or watch...
Luxist: Zenith Grande Class Traveler Repetition Minutes


and monsite.wanadoo.fr

SF in Jello

You read correct. SF in Jello.
Link

Varsity Origami

A bit more involved than a jumping frog.
Techdroid

Camera Tossing

Fun with an open shutter.
Flickr

Wiki Page of the Day: Caffeine & Spiders

The picture says it all.
Wiki

Bootleg / Retro

Turn that 2600 into a X360.
From Gizmodo