Age 4+. Teach your preschooler how to tell time through this exciting wipe and clean activity book. The book shows children how to differentiate between the hour hand and minute hand in a clock, various hours of the day with fun and simple picture-based activities. The book comes with pages that can be written upon and cleaned, so that the children can have fun writing, learning and cleaning as many times as they want.The book comes with pages that can be written upon and cleaned, so that the children can have fun writing, learning and cleaning as many times as they want.