The best way to learn is to keep trying, even when you fail. Motivate children to get up and try again, no matter what the obstacles with this Experiment. Fail. Learn. Repeat. Poster Sign! A great addition to classrooms and bedrooms, this sign is available in poster form, or mounted to aluminum or PVC plastic. Choose between corrugated plastic or SINTRA^® (PVC plastic) to mount your poster sized adhesive vinyl sticker onto. Lamination can be added to extend the life of the print.