109PCS DIY Maze Balls Track Building Blocks Toys For Children Construction Marble Race Run Pipeline Block Educational Toy Game

SPECIFICATIONSmarbles tracks: marble mazemarble track: educational toysmarble run toys:: marbles circuitWarning: Keep away from fireRecommend Age: 12+yPlastic Type: ABSPlastic Block Shape: TunnelOrigin: Mainland ChinaModel Number: TD1008Material: PlasticGender: UnisexCertification: 3CCertificate Number: 19pcs-109pcsBrand Name: DHDHBlock Size: Micro building block、Big building block（＞1cm）Barcode: No3C: Certificate Building blocks without cartons. Will use a bubble column safety packaging. Will not be damaged during transportation。 DIY Construction Marble Race Run Maze Track Building Blocks Kids Ball ToysSparkling Imagination of Your Kids - Marble Race TrackThis marble race toy is a blast! The 105pcs DIY trace building blocks are a good educational toy for your family. The marble race track is a great item to teach young kids about momentum and properties of gravity through the marble running in the track. You can put them together as you like, so you c