66 results for 'rainbow-tube'
Rainbow Test Tube
Grow and color jelly crystals, then layer them to make a rainbow.
Rainbow Wand Kit
16 inch plastic tube makes a magical rainbow wand.
Individual Test Tube Experiments
All of our classic Spangler experiments in our super-sturdy Baby Soda Bottle Test Tubes!
Test Tube Wonders Kit
15 activities in one little bag! Even make a pile of Insta-Snow.
Six Test Tube Experiments in a Rack
Six great science experiments each packed in a large plastic test tube.
Geo-Polymers Jumbo Test Tube
Jelly Marbles and Water Cubes in our Jumbo Test Tubes.
Rainbow Fish Discovery Kit
Use our Energy Beads to make this colorful story come to life
The special lenses separate light into the colors of the rainbow.
More Test Tube Experiments
Now even more test tube experiments to love and bring home!
Tornado Tube with Bottles
Create a tornado in a bottle with the famous Tornado Tube.