The Useless Box-New Gift Fun Electric Toy Box Tricky Gift Automatic Switch Box Features: Best holiday gift - A fun and surprising April Fool's/Birthday/Wedding/Christmas gift for a friend or family girl/boy/mother/father. Leave me alone - every time the switch is flipped, the useless box perpetual motion machine pops a little finger and closes itself. Desktop Fun Toys - Professional looking but very fun desktop gadgets, desktop novelties that won't be forgotten. Material - Made of Acrylic. Requires 2 AAA batteries (not included). ENDLESS FUN - Experience endless, useless fun with this fully assembled useless box. Funny novelty prank joke toy gift for friends. Specification: Material: Acrylic Weight: about 145g Size: 8.5x7x5cm Package include: 1 x Useless Box - New Gift Notes: Please 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.