Unicorn%20and%20Horse%20are%20very%20different.%20Unicorn%20likes%20to%20eat%20pink%20cupcakes%3B%20Horse%20likes%20to%20eat%20hay.%20Unicorn%20likes%20to%20play%20ring%20toss%3B%20Horse%20likes%20to%20run%20races.%20But%20despite%20their%20differences%2C%20Unicorn%20and%20Horse%20are%20the%20best%20of%20friends.%20In%20fact%2C%20their%20differences%20make%20their%20friendship%20even%20better!%20Featuring%20the%20characters%20from%20the%20beloved%20picture%20book%20Unicorn%20(and%20Horse)%2C%20this%20colorful%20board%20book%20teaches%20the%20youngest%20readers%20how%20to%20celebrate%20differences%20and%20build%20diverse%20friendships.