Quercetti Skyrail Rollercoaster, 150 Pieces, Plastic/Wood Track, Glass/Wood/Acrylic/Steel Marbles, Mountainous Terrain, Marble Track Set, Marble Track, Kids

Description

Build marble runs spanning up to 26 feet long! Children can follow the illustrations in the manual or invent many other configurations, freely expressing their creativity. 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