Collins Easy Learning Size and measurement Age 3-5 develops numeracy skills. Its colourful motivating activities make learning fun. Helpful tips and answers are included to help support learning. Hours of fun activities builds literacy skills, boosts confidence, develops a love of learning. Collins Easy Learning Size and measurement Age 3-5 develops early literacy skills to get children ready for preschool. Easy to use-small chunks of information are easy to absorb and clear sign posting shows the way. Easy to learn-every activity is highly practical allowing children to learn by doing. Easy to remember-engaging and fun activities help children retain information.