71 results for 'rainbow-tube'
Rainbow Wand Kit
16 inch plastic tube makes a magical rainbow wand.
Rainbow Test Tube
Grow and color jelly crystals, then layer them to make a rainbow.
Six Test Tube Experiments in a Rack
Six great science experiments each packed in a large plastic test tube.
Individual Test Tube Experiments
Starting at: $3.99
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.
Geo-Polymers Jumbo Test Tube
Jelly Marbles and Water Cubes in our Jumbo Test Tubes.
The special lenses separate light into the colors of the rainbow.
Water Jelly Crystal Kit
Our scientists have been hard at work putting together this comprehensive kit full of ooey, gooey, crystal fun!
Rainbow Fish Discovery Kit
Use our Energy Beads to make this colorful story come to life
Scientists of all ages are sure to love creating their own batch of rainbows.