What are they? Plastic bottles filled with colored water and (in this case) glitter, with the lids super glued closed.
What are they for? Whatever your child wants to do with them. They are great ‘heavy work’ for kids who need that extra sensory input – moving them around from place to place. They are beautiful when the sun hits them. Use them as potions in dramatic play. Pillars in the sandbox when building a castle. Sauces for the mud kitchen.
They are a wonderful open-ended material/toy that is practically free to make. Opt for attractive bottles vs your average plastic soda bottle (I used Califia Farms milk bottles for these ones). Think of your environment as the third teacher – you want what’s in it (inside and out) to be visually appealing so it draws your child in to play!
*Thanks to my son’s preschool for teaching me all about them. :)