電動旋轉藝術 | KiwiCo

The motor really spins fast enough that the colors fling out into these long streaks, which my kids thought was the coolest part. We've gone through a whole pack of paper already because nobody wants to stop. Six colors was plenty for us.

I was skeptical my 7-year-old would get past the building step, but the motorized platform clicks together satisfyingly and she had it spinning in minutes. The centripetal force lesson sneaks in while they're just having a blast with the 6 colors.

The motor assembly was surprisingly easy for my eight-year-old to snap together, and the finished platform ran smoothly enough to fling paint in every direction. We ended up making about a dozen pieces, and watching the colors spiral outward really helped explain centripetal force in a way a textboo