Large Plastic Test Tubes
with Rack + Caps

(3 customer reviews)
  • The #1 best test tube for kids
  • Transparent & sturdy test tubes
  • Used for safe science experiments in classrooms everywhere
  • Includes a rack ideal for a young scientist’s first experiments

In stock


SKU: 800103

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Product Description

These transparent, durable test tubes are used for safe science experiments in classrooms everywhere. They can be sealed with a bottle cap, thrown in the dishwasher, dropped, tapped, or stepped on and they just won’t break! Great for encouraging kids to explore and create results on their own. Each test tube measures 15 cm (5.75″) tall, 2.5 cm (1″) in diameter and holds approximately 50 mL (1.75 ounces) of liquid. Includes a colorful test tube rack and an activity guide with lots of fun ideas to get kids started on their new science adventure. Perfect for your Science Discovery Center. Recommended for children ages 3 and up.

What’s Included?

  • 6 Large plastic test tubes (Baby Soda Bottles) with caps
    **Bottle cap color may vary**
  • Test tube rack

How Does It Work?

Why are these test tubes called Baby Soda Bottles? Steve Spangler coined this name when he introduced them to teachers everywhere as the world’s greatest test tube for kids. Believe it or not, Baby Soda Bottles are really just that: baby bottles before they are blown up into the 2-liter soda bottles you see in the store. Here’s how it works: The tubes are placed into a vacuum mold and heated so they soften. Hot air is then blown into the tube, stretching the warmed plastic to 40 times its original size. When the plastic cools into the shape of the mold, the bottle is ready to fill with your favorite refreshing drink.

What Does It Teach?

Baby Soda Bottles can be used to teach kids more things than you can imagine! Grow plants, observe critters, collect water samples, explore different densities, hydrate polymer crystals, and mix all the colors you can find in a rainbow. Kids are only limited by their own creativity—put one of these test tubes in their hands and they’ll be sure to discover something new!

Does this come with an activity guide?

Yes. There are 15 different hands-on activities inside the guide ranging from experimenting with colors to growing seeds and watching the roots to observing chemical reactions. These things can do it all.

What color caps does it come with?

The colors are either blue or yellow.

Test Tubes

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Customer Reviews

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5 out of 5 stars

3 reviews

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What others are saying

  1. Shannon

    Fantastic product!


    We used these for our annual Family Science Night for the Salt Water Density straw demo. They are hight quality, durable, and have a million other uses. (And the caps don’t leak, so they can be pre-filled and transported without worry!) They will be used again and again by our PTA for Science Night, but would hold up great in the classroom as well. The rack is a great addition and also durable and easy to assemble and disassemble for storage. Highly recommended!

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  2. F Theus


    F Theus

    Purchased these for my daughter’s science project. They work perfectly and I’m happy to announce that she is now growing Basil in these test tubes in desert sand!!! These make a perfect greenhouse! Great buy!

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  3. Jim McDonald

    Different Use

    Jim McDonald

    I have used these devices for many years to store scroll saw blades and they are wonderful for keeping them safe and preventing spills. The bottles are nearly indestructible (at least I can’t break them accidently.)

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