Birthday girls and boys, women and men, are as different as their differing ages. That's why you need the three-card Birthday variety pack on sale here to meet the unique personalities and periods in life of those friends, relatives and coworkers of yours celebrating a B-Day. Provided they all have one common trait: a great sense of humor. The funny Birthday salutations in this witty and wonderful selection all share hilarity, whether it's cartoon-focused on cowboys herding cats, flamingos trying to lose weight, or pinatas going in for psychotherapy.