About this 3D model

This is a fun and easy little project to make. The goal is to separate the two pieces. The STL files are included for the base and ball. You will need to aquire the rope. The solution is not intuitive so it might be a challenge for your friends and family. Solution: https://youtu.be/GjAaKq9jkXU Similar version on Amazon: http://amzn.to/2BhqxR7