Happy 20Th Birthday Son a gift of all time. It's that time of year again , your son turns 20. The question is, what gift should you give him? If you are looking for something practical, a shirt is always a good choice. If your son loves to play games, buying him a cup is always a great option. And if you want to make this special day even more memorable, consider adding a personalized necklace for him. For this list, we've compiled the best happy 20th birthday to my son gifts of all time, from the most traditional to the most unique, so no matter what your son's interests are, you'll be able to find something he'll love! 20’s Unicorn Birthday Mug, Happy 20Th Birthday Son Make his special day even more memorable with this 20's Unicorn Birthday Mug, Happy 20Th Birthday Son. Surprise your son with the perfect gift and make it his most cherished memory. His 20s birthday celebration is finally here! This mug will help him remember his special day with a unicorn d...