Create your own fountain in bottle ! Take 2 clear plastic soft drink bottles. Fill one of them 3/full with water. You have 2 tubes with this kit. They have small holes drilled at one end. Insert these tubes into two holes going into the tube. Do not insert these tubes into two holes of the fountain tube with their ends with holes going into the tube. Do not insert it up to the holes. Just insert the tubes by 10mm or so. Screw the fountain tube with two plastic tubes on to this bottle. Cap other bottle on the other end of the fountain tube. Do not insert these tubes into two holes of the Turn the bottles over and a bubbing spurting fountain occurs at the plastic tube. Turn it over when the upper bottle is empty and the fountain occurs again.