Big wheels, big grin, big day. This chunky-tired monster truck roars across the front in art by Lisa Perry of Pink Light Studio, and every truck-obsessed kid will want to hold onto it long after the cake is gone. Inside: a cheerful "Happy Birthday — Celebrate big!" with room to add your own note.

It's a folded A2 card (4.25" x 5.5") that arrives with its envelope, ready to slip into a gift bag or tuck beside a present. The best birthday cards for kids are the ones they beg to tape to the wall — this monster truck earns that spot.