Partners in SlimeBest mates Jake and Cooper are doing a roaring trade at school, selling tubs of homemade slime, saving their money for a ride on the new roller coaster at Adrenalin World until Jakes sister begins selling a superior product. But when the boys (with the help of a scientist uncle) invent a new 'magnetic neon gloop' that becomes all the rage, things start to go awry when it begins to grow and morph into who knows what. Jake and Cooper have to try to