6 Cute Ways to Have Fun With Test Tubes - clever to make for someone with limited space in their home
DIY test tube vases More
How to make DIY Epsom Bath Salts, using essential oils and dollar spot test tubes for packaging.
Test Tube Chandelier -- need to start bugging my brother to bring these home
5 Minute Flowers: Hanging Test Tubes — Home & Garden (Bottle Display Flower Arrangements)
(Test tube chandeliers are so versatile! Filling them with colored liquid is common - you could change the colors for themed parties) Maria S. double test tubes chandelier / lamp / vase by PaniJurek
Apparently it's a thing - test tube lamps. Maria S. single test tubes chandelier :: Flowers in the test tubes!
Here's a test tube spice rack that I made to hold all of my spices. I tried to improve upon previous test tube spice racks that I've seen by using a nice.