All Aboard for a Happy Valentine's Day! This adorable set of choo-choo train valentine cards comes in a heart-shaped box. Each pack contains 20 fold-and-seal train valentine cards in 4 designs along with 48 stickers. The four designs features the different steam train chugging along with a railroad engineer waving hand. Please click on the thumbnails under the product picture above to see the remaining train cards and sticker designs pattern in the set. Perfect for school! Recommended for ages 3 and up.