Shop › The Three Birds in a Tree - Data Card Image 1 of 1 The Three Birds in a Tree - Data Card $40.00 Acrylic marker on data cards by Valerie Campbell. Each 3”x7” data card is a completely original illustration. Add To Cart Added! Acrylic marker on data cards by Valerie Campbell. Each 3”x7” data card is a completely original illustration. You Might Also Like Quick View The Happy Little Eagle - Data Card $40.00 Quick View Allergic to Bees - Data Card $40.00 Quick View The Hungry Ladybug - Data Card $40.00 Quick View One Eyed Cat Dog - Data Card $40.00 Quick View Bandit Dog - Data Card $40.00