Build fantastic marble runs with suspended tracks up to 8 meters long. The colourful suspended rails will immediately become the best attraction in your classroom! Includes 20 straight tracks, 12 curved tracks, 25 pillars in 2 colours, 24 joints, 18 supports and junctions in 2 colours, 36 track connectors, 6 base pieces, 8 marbles and an instruction manual with examples.