6. The “Galaxy in a Jar”
A mesmerizing sensory bottle that mimics a nebula. In 2026, these are popular as “calm-down jars” to help kids regulate their emotions through visual focus.
- How to Make: Fill a plastic jar 1/3 with water and add tempera paint. Add cotton balls to soak up the liquid, then sprinkle in silver glitter. Repeat the layers with different colors (pink, blue, purple) until full.
- Items to Make: Clear plastic jar, cotton balls, tempera paint, silver glitter, and water.
