【Multi-functional Starter Aquarium】- The small cube aquarium can be used as a hatching box for shrimp and peacock fish, a feeding box for snails and crabs. A temporary container for outings and when you need to change the water to clean the aquarium. In addition, it can be used as an ornamental box to watch fascinating seaweed and moss growth. Tiny tank size: 16 cm (6.29 in) long, 10.5 cm (4.13 in) wide, 13.5 cm (5.31 in) high. 【Dual Deco Style】- Mini dual aquarium set offers versatility and diversity in one package. With two mini aquariums featuring distinct themes, you can easily switch between a serene forest scene and a tranquil beach landscape to suit your mood or decor preferences. 【Stackable for Creative Displays】- Stackable design like a building block toy enhances versatility and space-saving features. Stack multiple sets of multi-colored aquariums together to create an impressive vertical display that both decorates the tabletop and adds visual interest to your aquarium setup. 【Convenient and Compact】- Perfect for small spaces, our dual deco style aquariums are compact yet impactful. Measuring just the right size, they fit seamlessly on desks, shelves, or countertops, bringing a touch of nature into any room without taking up too much space. 【Easy to Set & Cleaning】- The building block aquarium is made of smooth, burr-free acrylic, which ensures the safety of users and aquatic life. The inner tank and frame can be separated for easy cleaning. Hold the transparent inner tank with one hand and the outer frame with the other, pull in the opposite direction to open the aquarium.