Action & Reaction Glow Effect - Kids Building Set

• The swirling Action & Reaction circuits are now enriched with amazing effects for creating a sensational effect! • You can use the transparent tracks and glow-in-the-dark balls to create some amazing routes with fantastic special effects! • Create thrilling routes with the suspended bridge, double up the circuits with branch-offs and race through spectacular swirls with the spiraling tracks! • All the circuits can be customized also using household objects, allowing kids to unleash their imagination. • The illustrated manual will guide children in creating circuits with growing levels of difficulty, offering plenty of ideas to complete the tracks and introducing them to physics.