1.  Featured with inlet tube and outlet tube, can be used as air stone bubbler together with air pump, providing dissolved oxygen for your fishes.   window caves in the car offer fish hideouts, together with other aquatic plants and animals, you can build a dream home for them. 2.   Made of non-toxic durable resin, hand painted detail and safe for decorating your fish tank in both freshwater and saltwater.   No strange smells and the color will not fade away. 3.   Weighted base, just put in this aquarium ornament silently then it can stand in your aquarium easily and steadily.   No worries about floating around.   No special maintenance requirements and is easy to clean. 4.  Perfect for adults and children, this fun fish tank decoration mimics life-like world , provides visual interest for you and your fish.  just enjoy the great parent-child time decorating your fish tank,terrarium, mini garden, fairy garden, gnome garden. 5.   Small size, measures approximately: 12.5x 7.5x8cm, can be placed anywhere in your fish tank.   Only Resin Car in the package, no pump included.