A great introduction toy to learn STEM concepts such as gravity, force and momentum, and how they can create a chain reaction. This educational 48 piece Zig & Go set with wooden dominoes, balls and components will inspire creativity and build skills like perseverance, STEM problem solving and critical thinking.  All Zig & Go sets are fully compatible with other sets in the Zig and Go range to expand play options. A quality action and reaction construction set for kids ages 8 years and beyond.