Snappy Little Opposites - Snappy Pop-Ups Author:Dugald Steer Bold bright graphics, a simple clean design, engaging rhyming text that appeals to young kids, and big pop-ups on each spread; this is the appeal of the Snappy series. Teaching children about big and small is fun thanks to this menagerie of opposite surprises. And what better way to learn than with this happy, snappy pop-up!