Turns Itself Off Useless Box Surprises Most Leave Me Alone Machine Need to Assemble - Black(no words on it) Do it yourself - make useless box kit together. Turn the useless box on, and it turns itself off. Material : acrylic panels black color (covered by protective film which can be peeled off). Requires 2 aa batteries (not included). Spare screws and nuts included. Unscrew side panel to put batteries in. Dimensions: approx. 14x8x6cm; weight: approx. 250g.