The colouring competition will start on May 1st and run until June 7th.
Each store will have one winner, who will receive a special collector’s tin with one of each of the 40 standard Toonz currently available inside, plus two rare Toonz that connect together.
Paul Jackson, managing director of The In Thing, commented: “As normal, The Entertainer are ‘quick off the blocks’ re spotting a new craze.
"This competition is the first of many exciting promotional activities planned for Toonz throughout the summer months to back up our substantial TV campaign.”
Stuart Grant, buying director at The Entertainer, said: “We are excited to run this promotion for Toonz in our stores.
"We’re enjoying the initial success of the new Toonz‐Micro Monsters to date – and it’s clear to see why. There are an innovative and fun children’s collectable."