Hubelino 55 Piece Run Elements - The Original Marble Run Expansion Set - Made In GermanyThe perfect solution for all those Duplo bricks you have laying around! Just add Hubelino's 55 Piece Run Elements Set and you'll have an amazing Marble run! Alternatively, you can combine this set with our 105 pc White Building Blocks. 55 Pieces included: 10 slides, 3 terminals, 14 tracks, 14 turns, 5 U turns, 4 tunnels, 1 junction and 4 marbles All Hubelino products are 100% compatible with Duplo bricks and are produced in Germany where they are