The Useless Box-New Gift Toy Box Tricky Gift Automatic Box Features: holiday gift - A and surprising Fool's/Birthday/Wedding/Christmas a friend or family girl/boy/mother/father. Leave me alone - every the is flipped, the useless box perpetual motion machine pops a little finger and closes itself. Desktop Toys - looking but very desktop gadgets, desktop novelties that won't be forgotten. - Made of Acrylic. Requires 2 AAA batteries (not included). - Experience, useless with this fully assembled useless box. Funny novelty prank joke toy. Specification: Material: Acrylic Weight: about 145g Size: 8.5x7x5cm Package include: 1 x Useless Box - New Gift Notes: allow for slight measurement deviation due to manual measurement. Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown in the pictures. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.