The Titan puzzle by Felix Ure [1] is a brass sphere composed of two hemispheres that slide past each other along the equator. The goal is to unlock the sphere.

The Titan puzzle by Felix Ure [1] is a brass sphere composed of two hemispheres that slide past each other along the equator. The goal is to unlock the sphere. I recently watched a video [2] by Mr.Puzzle describing how it is put together (obviously spoiling the solve), and it is incredible! 1: https://www.felixure.com/product-page/titan https://www.felixure.com/product-page/titan 2: https://www.youtube.com/watch?v=P4naYABpS5s https://www.youtube.com/watch?v=P4naYABpS5s