Personalized My Oma and Opa Love Me Dinosaur Youth T-Shirt. Oma and Opa love me dinosaur on a skateboard for little boy grandkids. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.