Marble Ramp Science Lab Kit

I created these ramps for use in my middle school science classes to teach lessons about collisions in matter. I have tried many other options and been repeatedly frustrated by the erratic path of the rolling marbles. These ramps help the marbles roll very straight and I have used them for a variety of activities in my classroom, one of which is included in the documentation. The height is easy to adjust and all the pieces fit into the box which includes a label and sliding lid to enable easy storage in a classroom cabinet. Boost MeI hope to develop more easy to use demonstration kits in the future. Please consider boosting to support my mission to make low-cost STEM projects that are approachable, engaging, and provide encourage active participation.