Feature(may vary by option.)

●MARBLE RUN ACCESSORY: This plastic marble run rolling ball is more suitable for duplo-style slide track than glass marbles. Glass marbles are much heavier and have too much energy when roll down from high place, so it will be easier to pop off.
●COMPABILITY SIZE: The marble run replacement marballs fit for duplo-style building blocks tracks. It is around 2.4cm. Original size for most available sets, including some special marble lift. Contact us if any doubts about size.
●DIY COLOR FACE MARBLES: This add-on accessory for marble track has 4 different colors and faces: red dizzy, yellow happy, blue sad and green smile. You can snap with same colors or various colors.
●EDUCATIONAL INTERACTIVE TOY: More marbles more fun, especially for large marble run build project. It can provide great time for whole family when play together.
●SAFETY ENSURANCE: Creative gap for reducing risk of Choking Hazard. Our blocks are manufactured with high quality materials and passed CPSC and ASTM testing. Any queries, please fell free to contact us. Thank you!


Description

The "marbles" - which are plastic hemispheres that you put together yourself, weighted well and were easy to assemble, and they move smoothly through the track. 4 different colors with different cute faces. More marbles will add much more fun to your exsiting marble run set.