Thirty-Six and Forty-Five are exploring the Forest of Tens on a special quest. But what is the special something they need to find and bring to Ten? There are plenty of tricky clues to solve along the way before they can complete their magical mission. 

The Numberblocks Space Division are on a mission to investigate a signal coming from the depths of space - until a strange planet pulls them off course and splits them into hundreds, tens and ones. How will they escape the planet's rings? One Hundred takes charge and knows just what to do. But can the Numberblocks make the right number to help them teleport away?