Pinnenwielbanen | Bouw je eigen knikkerbaan of breid hem uit!

The two pinwheels give the marbles a nice little tornado spin before they drop down—my kid watches that part over and over. Honestly, for a wall toy add-on, it's compact but packs a lot of visual punch when you hook it mid-track.

My kid's face lit up the first time the marble hit those pinwheels—the spin is so satisfying to watch. They're sturdy too, clicked right into our existing wall setup without any fuss.

The two pinwheels add just the right amount of chaos—the marbles slow down, spin, then shoot off in a completely new direction, which keeps the whole run unpredictable. My six-year-old and I have already rebuilt the wall layout three times today just to watch them catch the marbles differently.