available in blue, yellow, black, white and red Description: ▶100% brand new and high quality. ▶High quality plastic material, non-toxic, hard and durable. ▶Building block design, tanks can be stacked. ▶Multiple color choices to find the style that suits you ▶There is a hole on the side, so don't worry about the air not flowing. ▶Can release water, sand, etc, and will not leak. ▶No waste of space, mini size so it can be placed in the office, home, car, etc. ▶Suitable for fish, spiders, ants, reptiles, small pets. Specifications: ▶Material: Plastic ▶Style: Block, Flexible Combination ▶Size: 120*80*105mm ▶Color: White, Black, Red, Transparent, Blue, Green, Pink, Light Blue, Yellow ▶Location: Office, Home, Car, etc. ▶Suitable: Small Pets such as Fish, Spiders, Ants, Reptiles, etc.