What it can provide you is an ornamental fish tank, it is stackable; and it can automatically change color to suit the light needs of different creatures because it has LED lights.You can observe the condition of your pet anytime and anywhere because this fish tank is designed with a transparent tank body; and it is not easy to overturn and can be placed stably.It is constructed of plastic material. There are multi colors for you to choose from, the length and the width of the fish tank are both 13cm, and the height is 8cm.This fish tank is suitable for keeping small pets such as small fish, turtles, spiders, lizards, and hamsters.Item Name: Fish TankMaterial: PlasticPower Supply: 2 x AAA Battery(Not Included)Features: Energy Saving, Breathable, Eco-friendlySize Details:13cm x 8cm x 13cm/5.12" x 3.15" x 5.12" (Approx.)Notes: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.Package Includes:1x Fish Tank(Battery Not Included) 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.