For $8 a pop, you can get a Sky Blue or Color Changing He-Man-style Glyos head from 1SHOT Toys. Well, you could-- the blue one sold out! Check site for availability. The color-change one is limited to four so... yeah, it's probably going to be gone pretty quick. 1SHOT Toys writes:
"Do you have the POWER? You could with this Glyos Head! It's base color is neon Orange, when it gets warm it changes to neon yellow. These are very limited to 4. So add the strongest man to your Glyos collection!"