Personalized Helping? That's my favorite and very best skill!- Mouse Youth T-Shirt. Great helpers come in all shapes and sizes. Helping? That's my favorite and very best skill!- Mouse Youth T-Shirt - Heather, perfect for fans of "Dog and Mouse" by Michelle Nelson-Schmidt. 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.