Hip, Hip Hooray! Celebrate 100 days of learning in a fun way with these festive, ready-to-decorate 100th Day posters. Students will love celebrating 100 days of school by drawing or gluing sets of 10 items onto 10 of the friendly jellyfish tentacles. You get a fun activity, perfect for class parties or 100th day classroom crafts and activities. With a pack of 24 student posters, the whole class can celebrate together.