buy a cheap light, dip it in concrete, connect a colored cord and spray the inside with same color as cord...
Fill the balloon with water . This image illustrates why you don't completely fill the balloon you should always leave some room in the neck of the balloon, then as the form dries the pressure has somewhere to go and your clay wont split like that.
Build This Beautiful Concrete Bench
How to build a beautiful concrete bench
Tealight Totem in Concrete by Plywood Office
Concrete tealight totems - made "with a pleasing heft that is uncommon today." It's true.
ett la benn: Using Cellulose (plant material waste) and turning it into amazing bowls, light shades etc.
TR10: Green Concrete
TR10: Green Concrete - Technology Review
DIY Cupcake Holders
Skal have fat i min far, som murer må han ligge inde med nogle rester af noget jeg kan støbe med! :D
concrete sink, chrome fixture, steel kickplate walls... almost too much, but not quite