Learning Resources Design & Drill Rivet Pop Workshop. With this pop-and-play construction set, little hands use a hand-powered rivet tool and rivets that pop when they place them to complete the patterns on the colourful cards. Children can complete the activities on the included activity cards or create their own colourful rivet patterns on the activity board. Includes rivet popper, 40 colourful rivets, rivet remover and 10 double-sided activity cards which store inside the activity board after play. Features multilingual guide and packaging. 54 Piece Set (Ages 3+)