Join%20the%20unicorns%20as%20they%20visit%20their%20friends%20at%20mermaid%20cove%2C%20play%20hide%20and%20seek%20with%20forest%20fairies%2C%20and%20race%20each%20other%20through%20the%20clouds%20and%20over%20rainbows.%20Little%20children%20will%20love%20adding%20over%20180%20stickers%20to%20these%20enchanting%20scenes%2C%20and%20the%20beautifully%20detailed%20illustrations%20will%20keep%20them%20entertained%20for%20hours.