This Kit comes with everything you need to start teaching high vacuum in the classroom. Demonstrate water boiling at room temperature as well as what Happens to a balloon at high vacuum Plus much more! vacuum pump Kit-, 1Ea. Lava-3/G, 1Ea. Acrylic pump plate, 1Ea. 6"X11" glass Bell jar, 5' high vacuum tubing, 2 hose clamps, 1 quart high vacuum pump oil, 3Ea. Balloons, 1Ea. Petri dish. Also available without the vacuum pump.