Fidget spinner nunchuck - mutliple styles

Me: "What should we make now?"My 8yo son: "Fidget spinner... nunchucks!"My son then got sad and said it was a stupid idea and wouldn't work.I told him it wasn't a bad idea, we were just brainstorming and we would try to figure it out. It took us while but we came up with a design. He loves this thing. Basically every single piece spins/rotates. You can mix and match the pieces. I am including spiral, grid, and knurled. Printing/Supports-You can separate the objects and have less supports, you just have to put more pieces together (it is pretty easy). Inside the two bodies has a support, this must be removed before adding the end cap. PLA Silk-The end cap connector prongs cannot be PLA silk, silk is too rigid and they will snap (at least in all my tests). I made the end caps two objects (endA and endB), so you can make the visible part silk (endB), and make the delicate connectors non-silk (endA). The central ball joint connector can be silk. I would print the en