Key Features :
i : STEM-focused activity set challenges kids to build, test, and tweak their approaches to solving physics-based challengesii : Learn concepts of speed, angles, and distance during hands-on attempts at mastering included challengesiii : Included activity booklet features challenges that scale and grow with your kids’ own growing skill setiv : Send balls flying through hoops and toward targets with kid-powered paddlewheel—no batteries, springs or rubber bands required