Leg warmers/boot socks ~ this is a knit pattern but can be done w/crochet using the yoga sock pattern as a start.
Craft DIY :: Flashlight made from coke can and cereal box :: upcycle - Sas, what about showing this to your dad? It'd be a crazy project to attempt together and I'm afraid it's a bit beyond my own scope.
DIY Mini Maker workspace for projects. This shares tips from the Show (via scholastic)