This versatile fish observation box is not only for fish enthusiasts but also for educational purposes. Teachers and students can use it to study life in a controlled environment. The transparent design allows for detailed observation, making it a valuable tool for learning about fish behavior and biology. Features -Color:Transparent -Material:Acrylic -Size:12.50X11.00X3.80cm/4.91X4.32X1.49in -Easy to carry: the compact and lightweight design allows you to take it with you, can enjoy your fish's beauty anywhere -Transparent design: made from clear material, it ensures you can observe your fish's activities clearly and enjoy every moment -Health and safety: designed to protect your fish's health and safety, providing a secure environment for them -Multiple uses: suitable for various settings like home, office, and school, allowing you to enjoy fish watching in different places -Simple to use: easy to operate with no complex setup required, making fish keeping simple and enjoyable Package list: 3 box