Simple board game spinning arrow. The DesignSpark Mechanical file is included for your editing pleasure. Requires: 1 3x16mm socket screw 1 3mm washer 1 3mm lock nut Back Story: My lovely wife is preparing for my 5 year old's birthday. She found a great spinner online, but the paper arrow was not going to cut it, so I whipped this together and it turned out beautifully. Print and assemble as shown in the pictures and Design Spark File. You may edit the files as needed.