Olja + vattenkemi | KiwiCo

My 6-year-old announced she wants to be a chemist after we made the swirly oil and water layers—the dyed water mixing setup was so easy to follow, even for a beginner lab assistant. The fizzy tablet reaction gave us exactly the dramatic underwater volcano effect promised, and the whole kit kept her

The fizzy tablet volcano kept my kids busy for a solid hour, and they loved watching the colored water swirl through the oil. The lab setup feels surprisingly thorough for the price, and cleanup was easy since everything stays in the included containers.

My six-year-old got such a kick out of mixing the dyed water and oil, and watching the colorful swirls drift around was surprisingly mesmerizing. The fizzy tablets made the underwater volcano erupt three separate times before we ran out—definitely a good afternoon activity.