This toy was actually quite stressful to build, but it was absolutely not Rayan's fault. She based the plans on a racetrack from Land of Nod (right?) and neither of us had read the reviews for the actual product before I dived into the build.

Turned out, Rayan and I had to converse a LOT to get this thing to actually let the cars “race” without falling miserably from one level to the other. After it was assembled finally, we were able to use any car (matchbox, hot wheels, the cheap wood ones that come in the train track sets) with NO problems.