Personalized 2nd Birthday Bulldozer Youth T-Shirt. 2nd Birthday Bulldozer Youth T-Shirt - White has number 2 for your two year old on their birthday party day. Fun for construction themed parties. 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.