The store is for you! [Product Introduction] Name: USB Light Aquarium Material: Acrylic, Plastic Size: Length 120 mm, width 80 mm, height 105 mm Colour: black, white, transparent Properties: freely combinable Instructions < p>Press Hold the inner transparent tank with one hand and the outer frame with the other hand and pull in the opposite direction. You can open the aquarium Arrange the landscaping in the aquarium, add water and put the fish and shrimp Put the outer cover < p> Lightly press the outer cover, the outer cover will deform together with the inner cylinder