Make a shuriken throwing star which doubles as a fidget spinner (for all of those tedious ninja stakeouts).
Ninja Star Fidget Spinners Kids Activities Blog
DIY Ninja Throwing Stars, Today we're showing how to make real Ninja Throwing Stars!, By The King of Random
Shuriken Ninja Star Fidget Hand Spinner 3D Printed
Red Ted Art - Learn how to make a paper Ninja Star - these can also be turned into fidget spinners. A fun paper craft to give a go.
Skulls Butterfly Knife Steel Balisong (Riveted) - Assort. Colors
Origami ninja star inspires battery design
How to make Shuriken Fidget Spinner (Wooden Ninja Star) DIY
DIY CYCLONE NINJA THROWING STARS (SHURIKEN) : 7 Steps - Instructables
Ninja star fidget spinner made by me : r/craftit