What are some alternatives?
When comparing Blocks and Oculus Medium, you can also consider the following products
Moto 360 - The round smart watch is finally here.
MasterpieceVR - Powerful VR sculpting & painting tool
Apple Watch Series 2 - The new Apple Watch
Tilt Brush by Google - Paint in spaces around you with Virtual Reality
Tic Watch Pro - A dual screen smart watch with 5-30 days on a single charge
A-Painter - Paint in VR in your Browser