SIZE: 18.25" W x 18.25" D x 7.75" H EASY ASSEMBLY: the dome is made of clear plastic and allows you to observe the fish, simply assemble the half rings, and flood the ball with water ENTERTAINING: press the pond dome into the water sideways until the dome is full of water then wait for your fish to swim up and greet you MATERIAL: the dome is made from durable plastic with a polyfoam ring around it FLOATS: this fish dome floats on pond, watching your fish will become a unique experience This fish dome floats on the top of the water and brings a bubble of water above the water line so you can see the fish that swim into it. Perfect to throw into the pond or fish pool, the fish dome allows you to easily observe your fish at close range. To get the fish to come into the dome simply slip some food into the dome by reaching under it (the food will float to the top), once you do this a few times your fish will be trained to come to the dome when you come around so you won't have to wait aroun