The worlds of Transformers robots and Sonic the Hedgehog collide with the Sonic the Hedgehog x Transformers mash-up pack The 5-inch 12.7 cm converting action figures convert from robot mode to alt mode and feature accurate deco and details. The Blue Booster figure converts between robot and car mode in 27 steps. The Wingtail figure converts between robot and biplane mode in 32 steps. Comes with accessories including ring shield and jewel accessories for the Blue Booster figure, and a detachable engine thruster that becomes a blaster for the Wingtail figure. Transformers robots have always been mdash More Than Meets the Eye mdash and now, through the Transformers Collaborative, fans can experience more exciting characters as they team-up, mash-up, and meet up with other characters, teams, and people who share this same special quality.