More to explore:
Acacia wood test tube spice rack... Gorg!
diy spice rack
Make a space saving spice rack from test tubes. Great gift! I think this thing is ADORABLE! - DONE, well halfway done...bought the test tubes and now looking for a containter to keep them in.
who says it has to be a spice rack?
spice rack - kitchen
Make your own clothing rack (abeautifulmess.com)
Magnetic spice rack out of baby food jars.
DIY Bud Vase with Test Tubes
DIY Spice Rack for the Pantry Door
Tube Spice Rack For a culinary laboratory Pascale Lemay De Groof