Useless Box DIY Kit Useless Machine Birthday Gift Toy Geek Gadget Fun Office Home Desk Decor Description Item Useless Box DIY KitColor Blue RedType DIY Do It Yourself Weight About 250gMain Material Acrylic Electronic PartsAssembled Size About 140 80 60mmBattery Required 2pcs 1 5V AA Batteries NOT INCLUDED Features Endless Fun A totally useless box that provides endless fun With this perpetual machine every time you flip the switch on a little finger pops out and turns itself off DIY Kit The Do It Yourself Useless Box Kit does not come assembled A great geek gift Perfect as a cool teen gadget gift NOTE There are protective plastic films on the plates box surface You can peel them off or not It would be better to peel the plastic films off after you assembled the box Surface with plastic films should be outside Useless Box is not carved on the plates box surface Choking Hazard Small Parts NOT suitable for children under 3 years old Package Included 1 X Useless Box DIY Kit