Quercetti Roller Coaster mini rail Set -150pc 8 meters Kids ages 6-12 Building Blocks for Marbles Game Maze Tracks

Create a large swooping rollercoaster with 27 feet of track Send marbles racing through the course Includes 4 marbles and detailed instruction booklet A truly unique marble run Watch the marbles accelerate down steep slopes climb uphill almost to a stop roll quietly along flat plateaus before racing down another chilling plunge at full speed Ideal for demonstrating principles like velocity acceleration gravity & friction Includes marbles of 2 different diameters and weights to experiment the effect of physics forces along the track Contents include 25 pillars 24 joints 18 supports and junctions 36 track connectors 6 base pieces 8 marbles 12 curved tracks 20 straight tracks 1 instruction manual with examples Quercetti has been creating and manufacturing educational toys in itally for 65 years Quercetti has contributed to generations of children engaging in beneficial play that encourages creativity and stimulates intuitive reasoning