The Learning Journey Techno Kids MarbleTrax, Fun Park Adventure The largest set of the Techno Kids Marble Trax series, Fun Park Adventure features more than 70 colorful, easy to build construction components that have an amusement park theme Young children create their first marble run using large chunky pieces for easy handling while developing their fine motor skills This set will inspire our builders of tomorrow and provide loads of building fun. After building their marble run, kids can watch the light up marbles twist and turn on their Fun Park Adventure! Flashing LED plastic marble included, Large chunky pieces for smaller hands Expands knowledge of mechanics and engineering. Provides hours of interactive learning fun. Inspires creativity and builds confidence as children design structures that move and work More than 70 colorful construction pieces Fun Amusement Park Theme Expands knowledge of mechanics and engineering Large chunky pieces for smaller hands Flashing LED marble included