The phrase "a bunch of tubes" is correct and usable in written English.
It can be used informally to refer to a collection or group of tubes, often in a casual or conversational context.
Example: "In the science lab, we found a bunch of tubes filled with different colored liquids."
Alternatives: "a collection of tubes" or "a group of tubes".
"We may know that, strictly speaking, they are animals but their lack of eyes, mouths, organs and the power of movement means that they don't really feel like animals," Henderson writes about the barrel sponges, a bunch of tube-like creatures that are often big enough to surround a person should they want to swim inside.
Basically, a bunch of launcher tubes are linked by a common fuse; you light it and stand back, and the shots fire sequentially, resulting in anything from a 16-shot show that lasts about a minute, up to 200 or more shots, which are smaller but go on a lot longer.
It wasn't just owning a bunch of test tubes and cool-looking stuff".
The are standard whitewashed walls commonly described as 'sterile,' a get-well-soon balloon floating around and of course, the patient laying in bed, groggy and hooked up to a bunch of ambiguous tubes.
The "Auto-Seq Plus Kit" would come with a whole bunch of tubes, tips, and reagents, so that you could sequence "straight out of the box".
Tape a bunch of cardboard T.P. tubes together.
Instead of haphazardly throwing a bunch of filling into the tube, thinking about how you want the necklace to appear and what look you hope to achieve.
The American public knew they had been fed a bunch of bullshit about yellowcake, aluminum tubes, and weapons of mass destruction, but Saddam and his sons had been executed, and the oil-rich country was trending toward peace.
If you haven't guessed it yet, what the event entails is a bunch of men in skirts, riding tube trains.
This involved "throwing molecules of the original Vivaldi into a test tube with a bunch of other things, and waiting for an explosion".
