Four Years Old Boy/Girl Birthday Gift Idea - I'm 4 Superstar Kids T-Shirt This shirt will make an exciting gift for a 4 year old boy or girl. Happy 4th birthday gift ideas. A cute present for a fourth birthday celebration. This 4 years old cool toddler t-shirt is a wonderful gift for your four year old son, daughter. OUTSTANDING FABRIC QUALITY! SUPER FAST SHIPPING! 100% MONEY BACK GUARANTEE. For sizing REFER TO THE TEESTARS SIZE CHART on the left