Test Tube Set of 6 Shot Glasses The trick to keeping those mad scientist skills sharp? Sipping from these test tubes! Not only will you find the beverage refreshing but the tubes are sure to get you into the scientist state of mind, mad or otherwise! Whether you and your guests are dressed in old-school lab coats or you're wearing a Hazmat suit, these test tubes are sure to cause some chemistry at your next get together! Think about Doctor Frankenstein for example. What would we suggest instead? They hold two ounces of refreshment and have a flat base so you can set them down without worrying about messing up the lab.