Tubes, 30pcs Marble Run Accessory Set for Kids Ages 4+, Fun Building & Learning Educational Construction Add-on Kit for Teens STEM

I received another vendor's marble set with chutes and the risers. This product works seamlessly with the product I already had. We have 5 grandchildren ranging from 5 years old to under 1. The 4 older grandchildren LOVE when I build a structure. The oldest is now doing more of the building. I not only purchased this set, but also purchased another set that had more base items (to build the structure upon). I can't wait to build again with all these new pieces, which will allow the overall structure to be shorter--which is perfect for the age of my grands! The plastic is sturdy and the pieces fit tightly with what I already had. I suspect I'll be buying more items from this company as our structures grow!!!!

He can't stop playing with this

Grandson loves this and it works perfectly with our older set. Thrilled with the purchase and grandson loves it.

Got a starter set, the physics fun, and the genius waterslides.... This review is about all three.: My daughter (2Y) is still to young to built it, which is therefore on me, and which can be a little frustrating (if you built from top to the ground) due to having not enough hands to hold it all in place without the multiple bases you gonna need and it falling apart if you are not careful enough. But its fun for her to put the marbles in and follow them with her eyes after I finally got a good and satisfying version together. I wouldn't try to step on the tubes but they look okay to deal with regular use for quite some time. No fitting problems. I always wanted one, hehe.

This was a great addition to the basic set. My 7 year old really enjoys extending her marble run with this new component. So far, it has worked flawlessly. We watched the company's online video on their app for help with assembly and it was really easy

The original Marble Genius set was always falling over because there were not enough bases. An adult had to hold put the structure. This set lets two children build together.

Lots of colors

A great inventive you for kids of all ages .. This is a supplement set to the classic marble runs!

Do not fit on my other marble run set

My kids enjoyed playing with this and adding it to their main set.

Las piezas están perfectas para hacer crecer este juego divertido.

My kids have a marble run so I bought the suggested extra parts as seen here. But they are not compatible at all. Very disappointed.

Resistentes!