A great introduction toy to learn STEM concepts such as gravity, force and momentum, and how they can create a chain reaction.This 25 piece set with wooden dominoes, balls and components will inspire creativity and build skills like perseverance, STEM problem solving and criticalthinking.\nCombine sets from the full range and see how big of a circuit you can create.\nSuitable for ages: 8+ years\nProduct is constructed from: Wood / Plastic