Wave Bottles

Isaiah and I made a couple of wave bottles tonight. The goal was to make one that glowed under a black light. Our first one did not, so we made a second.

Wave Bottles

Well shaken wave bottle

Instructions

supplies
Empty plastic bottle
Water
Highlighter (make sure it’s fluorescent)
Oil (we used baby oil)
Confetti

Wave Bottles

Supplies for Bottle #1

Take apart the highlighter and put the foamy ink cartridge out. Put it into the water to soak. You can squeeze it to make the ink come out faster, but beware–you may end up with dyed fingers. I used a fork to press the ink out, though I still ended up with some on my hands. Isaiah even, somehow, managed to get it on his face. Once the water has a good bit of ink in it, take the foam out and throw it away. Pour the water into the water bottle, filling it about two thirds of the way. Drop in a bit of confetti and top off the bottle with oil. Hot glue the lid on and you’re ready to play.

Wave Bottles

Soaking the ink

Wave Bottles

Finished bottle

As I said, our first bottle didn’t work. My pink highlighter (Isaiah’s color of choice this week) wasn’t fluorescent. Oops. We also didn’t put any confetti in that bottle. It still makes an awesome wave bottle. The color from the highlighter looks really nice and very different from what we would have gotten with food coloring.

Wave Bottles

Isaiah says it makes really good waves

Wave Bottles

Waves

For our second bottle, we used a yellow highlighter. We tested it with the black light before pulling it apart to be sure it would glow. I let Isaiah put some confetti into this bottle, which he was pretty excited about. Then I turned him loose to try it with the black light. My dad propped it up against the side of the tv so that Isaiah could do whatever he wanted with his bottle, without someone having to hold the light the entire time. Isaiah raced back and forth, putting the bottle in front of the light, then moving away for quite a while. He decided to test a few other things under the black light, too.

Wave Bottles

Looking through the glowing bottle

Wave Bottles

Floating confetti

Glowing Boy

My glowing boy

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Categories: Crafts, Homeschool, Making Sensory Toys, Science, Sensory Bottles, Sensory Processing Disorder | Tags: , , , , , , , , , , , , | 2 Comments

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2 thoughts on “Wave Bottles

  1. The black light looks really cool! I tried doing a wave bottle and threw in some glitter. It ended up sticking to the water-oil interface so it looked a bit odd. Maybe I should try the black light with my glow in the dark stars.

    • Yeah, I learned the hard way with glitter in the oil/water bottles. Confetti works better, but breaks the oil into little beads, instead of staying smooth.

      Glow in the dark stuff should look really cool under a black light. That might be something for us to try sometime, too. Isaiah has stars on his ceiling.

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