Numbers 1-20 Match-up is a self-correcting game designed to help children make the link between different representations of numbers including numerals, words and groups of items. Children can match each number with colourful images such as frogs, balloons, cupcakes and trains! Puzzles are self-correcting, so each piece only connects with its correct match Includes: 40 self correcting puzzles, Numbers shown as numerals, words and pictures and an Activity Guide