Marble Run Building Blocks Set, 175 Pcs Classic Big Blocks STEM Toy Bricks Set Kids Race Track Boys Girls Construction Roller Coaster with Slide for Toddler Gift Age 3, 4, 5, 6, 7, 8+

Together with the kids, it takes about an hour to install. They like it very much. Very good. No smell.

The media could not be loaded.  Very nice toy. My son absolutely loves this blocks toy, he played with it all the day and the next. It’s much bigger than I expected. This toy is really good for the price!

I have been looking for a marble run type of blocks for my son and this one is a good find. My three year old can play with it for half an hour every day since we got it.

This set of marble run block is definitely gif table. It is a nice thought to put block and marble run together. It makes building more fun. It is easy to assemble, colorful, and include number sticker as well. It is a good tool for Little kind to learn colors and numbers.