🔌 Enhance Your Marble Genius Experience with Marbles Accessory Add-On Review

They work great with all Marble Genius rails and add-ons. We also have open tracks and, unlike some other reviewers, didn't have any problems with ball sticking. It would be nice if there were more colors.

Most work well but about 20% are warped, dented or will not roll off all additional Marble Genius products. Especially the view with no solid ground. While 20% may not seem like a lot, it's enough that we either have to throw them away or constantly manually push the balls along the lane.

I purchased these extra balls along with the Marble Run Super Marble Genius Set and some extra accessories for my son's birthday. One of the extra kits (the booster kit) has some parts that are open in the middle with small guides on the sides (see attached photo). Balls of the right size glide "easily" over these tracks without any problems. We found that many of the 60 marbles in this set were not the right size for these lanes. The balls get caught or stuck between the two side rails and do…