Kids will be thrilled to hand out these fun Valentine's Day cards to all their friends at their classroom exchange. Moms and dads will be thrilled with the convenience of the easy pop-up collection box. With an extra special light up mailbox with sound, and cards that feature classic Star Wars characters with fun sentiments, this Valentine's kit is sure to be a hit with kids in elementary school, junior high or high school. WARNING: CHEMICAL BURN HAZARD Box contains a button-cell/coin battery that can cause serious internal chemical burns if swallowed or placed inside the body. Keep batteries away from children. If swallowed or placed inside the body, seek immediate medical attention. The Hallmark brand is widely recognized as the very best for greeting cards, gift wrap, and more. For more than 100 years, Hallmark has been helping its customers make everyday moments more beautiful and celebrations more joyful.