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GraviTrax Bridges Expansion Bridge the gap with the GraviTrax Bridges Expansion set and keep your marble run rollingINNOVATIVE The GraviTrax interactive track system allows you to design and build your own race tracks and experiment with gravity, magnetism, kinetics.STEM TOY Boys and girls ages 8 and up can experience educational and science play. The franchise has sold over 15.5 million units worldwide and has ranked as the No.1 marble run system in the U.S., according to the NPD Group.COMPATIBLE Easily extend play time All sets are compatible and functional with all GraviTrax systems.GREAT GIFT GraviTrax is an a ideal holiday and birthday gift for creative, curious kids and adults who love to build. MORE DETAILS agerangedescription 8 asin B0BSX91VT4 bestsellersrank 169,021 in Toys Games See Top 100 in Toys Games 144 in Marble Runs brandname GraviTrax customerreviews 4.5 4.5 out of 5 stars 216 4.5 out of 5 stars educationalobjective Creative Skill, Imagination Development, Problem Solving, Reasoning Skill, Spatial Awareness eusparepartavailabilityduration 1 years globaltradeidentificationnumber 04005556224234 includedcomponents Instructions, 3 lengthadjustable bridge accessories itemdimensions 13.31 x 13.31 x 2.17 inches itemtypename Marble Run itemweight 350 g manufacturer Ravensburger manufacturerpartnumber 22423 manufacturerrecommendedage 8 years and up materialtype Plastic modelnumber 22423 numberofitems 1 numberofpacks 1 setname Bridges Expansion size One Size subbrand GraviTrax theme Construction, Marble Run, STEM unitcount 1 Count
