Prepare yourself for some Powered-up action! Heroes of Goo Jit Zu Goo Shifters are here! Your favorite stretchy, squishy hero Thrash has returned in his Primal Form and is ready to be powered-up by you! Crush Thrash's Core to activate his "Goo-formation"! Watch as the Goo inside Thrash's body changes before your eyes to release his inner power! Thrash in his Primal Shark Form! This awesome Goo Jit Zu toy features "Chomp Attack" action! Thrash's huge teeth-filled jaws can open up wide for him to battle against Primal Form Rock Jaw! Both Primal Thrash and Primal Rock Jaw have a unique Goo Filling and "Goo-formation"! Thrash is Super Gooey. Squeeze him and see his Gooey body move and stretch. Heroes of Goo Jit Zu Goo Shifters are a Gooey way for kids to play with no mess. Primal Form Thrash can stretch up to three times his size. Best thing is he will always come back to his original shape! The Heroes of Goo Jit Zu need YOU! Transform the Goo and power-up with the Goo Shifters!