This is the back useless box, Once you press the on switch the box will open and turn itself off, this one comes in back as you can see in the picture;Set it on your coffee table or desk and wait for curiosity to cause victim after victim to turn it on - each to be met with the little finger turning the box back off;A professional looking but incredibly funny desk gadget, a desk novelty that won't be forgotten;Requires 2 AAA Batteries (not included). Spare screws and nuts included. Unscrew side panel to put batteries in;Material: Acrylic; Dimensions: Approx. 8.5x7x5cm/3.35X2.76X1.97inches; Weight: Approx. 250g; Requires 2 AAA Batteries (not included)

• Willcomes Turns Itself Off Useless Box Leave Me Alone Box Perpetual Machine for Geek Gifts or Desk Toys
• Mini Multicolor

Willcomes Turns Itself Off Useless Box Leave Me Alone Box Perpetual Machine for Geek Gifts or Desk ToysWillcomes