Glass Test Tubes
Warning: CHOKING HAZARD : Small Parts. Not for children under 3 yrs.
Try a science experiment firsthand with the help of these Glass Test Tubes! These tubes feature long, cylindrical glass designs with cork stoppers that will keep the contents inside. Teach your kiddos about the wonderful world of science with these handy test tubes!
- Dimensions: 4.5" x 0.56"
- Material: Glass & Cork
- Color: Clear & White
- Care & Safety: Adult Supervision Required
- Age Grade: 9+
- Quantity: 4
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Returns:
We want you to be happy with your purchase! If you're not completely satisfied, you can return qualifying items within 90 days.
Good glassware
Perfectly good test tubes. They do not crack when cooled rapidly, so they must be Pyrex. I like the rubber stoppers, they come in handy at times. 1/2 inch diameter is a bit wide for some things and lips should be flared, but all in all very good glassware
goood
goooooooooooooooooooooooooooooooooooooood
awsome
It was perfect for my beginners lab and they are practically inbreakable
Not good like the old ones
I loved the ones with black rubber stoppers. I prefer cork, but didn't mind the color.
The rubber is some extremely cheap sketchy rubber with a strong odor.
Will not purchase again.
my queen ant
it did so well with my queen ant and now they have more numbers because of the tube try it out.
Broke first week
Broke first week of using, I will not buy again