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Giant Test Tubes (Baby Soda Bottles), 120 pack

Ages 5+
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This mega-pack of 120 clear, unbreakable giant test tubes is perfect for schools -- or for crafts! Read More

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Make your projects extra safe with this mega-pack of 120 clear, unbreakable giant test tubes (baby soda bottles). This bulk pack is great for schools or for big craft projects!

You can use them to mix, shake, react, grow things in, or as observation chambers. They function as a test tube, beaker, or storage bottle. The large threaded caps are easy for smaller hands to put on or take off. The bottle can also be tipped upside down, so the cap becomes a base. You'll get a box of 120 giant test tubes with caps.

Put your Giant Test Tubes to work right away using the included activity guide. Learn about the density of different liquids, how to make a homemade battery, slime, crystals and more. Plus it has science fair ideas!

These plastic baby soda bottle / giant test tubes can be used with our 5-hole plastic test tube rack.

Why are they called baby soda bottles?

These test tubes are actually the blanks or preforms used to make soda and water bottles. The preforms are typically injection-molded from the raw plastic pellets at a plastic products manufacturer and then shipped to large soda and water bottling plants. The bottling plant uses a blow molding machine to heat the preform and "blow" it into the shape of the finished bottle using compressed air. The finished bottle is then leak tested, filled with soda or water and capped. Shipping preforms instead of the finished soda bottles significantly reduces shipping expenses for the bottling plant. Our "baby soda bottle test tubes" are the kind of preforms used to make 1- to 2-liter soda and water bottles. They are made from polyethylene terephthalate (PET), a safe plastic used for beverage containers. The caps are specially designed to contain the pressure build up common to carbonated soda drinks.




Giant Test Tubes (Baby Soda Bottles)

  • 120 baby soda bottle test tubes with white or blue caps


  • Length - 13.5 cm (5.3")
  • Diameter - 25 mm (1")
  • Capacity - 35 ml (just over 1 ounce)
  • Heated - Up to 200° F, or frozen and reused again and again
  • Lid color may vary, either blue or white
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