From Mattel. Two worlds collide with these Masters of the Universe Core: Turtles of Grayskull figures, representing a thrilling crossover of the worlds of Teenage Mutant Ninja Turtles and Masters of the Universe! These 5 1/2' scale action figures have 16 movable joints for great battle poses and action moves. Many parts and accessories are modular for swap and share fun! An included mini-comic illustrates the mashup storyline that plays across two worlds!