Amp up the classroom exchange fun with this customizable Valentine's Day card and mailbox kit. Cute pink, purple and white tear-apart cards include four designs: dog, heart on grid, smiling heart and fun lettering. Colorful heart and letter stickers make it fun and easy to personalize the pop-up mailbox and three-dimensional box topper. Customizable classroom exchange kit makes a great choice for kids in preschool, elementary or middle school. Mini classroom valentines are designed on front and back with room to write a short message on reverse; teacher card is folded with Valentine's Day wishes inside. Includes 32 perforated, tear-apart classroom valentines with envelopes (8 each of 4 designs), 1 teacher card with envelope and 1 pop-up mailbox.