Invitation Box offers the largest selection of customizable kid’s stationary and thank you note cards. Choose from stickers, cards, stationery and more to make note-writing fun. Order classic children’s thank you notes in convenient bulk packages. These items are an awesome choice for birthdays and other special events in your child’s life. Our thank you note cards come in kid-approved styles and themes. For babies and toddlers, our carriage, rubber duck, toy box and clothesline designs are perfect. We offer sweet thank you cards that feature first birthday and Christening themes for your little one. Try our personalized and pre-made thank you notes. These blank-inside and flat cards make it easy for beginner writers.