What are some alternatives?
When comparing Blocks and MasterpieceVR, you can also consider the following products
Moto 360 - The round smart watch is finally here.
Tilt Brush by Google - Paint in spaces around you with Virtual Reality
Apple Watch Series 2 - The new Apple Watch
VR Sketch - A tool for designers to draw inside virtual reality
Tic Watch Pro - A dual screen smart watch with 5-30 days on a single charge
Oculus Medium - Sculpt, model and paint in virtual reality on a 3D canvas.