ravel girl's pink unicorn time teacher watch ravel our high quality pvc strap time-teacher watches are perfect to help you teach your child the time. clearly labelled, colour coded "to" and "past" sections, hands and numbers help your child learn how to tell the correct time. sparkle the unicorn is magic at helping little ones to learn to tell the time. all ravel kid's time teacher watches are fitted with crown stoppers to protect battery life.