Gravitrax STARTER-SET XXL Marbles  (Multicolour)

CREATE YOUR BALL CIRCUITS; COMBINE BUILDING BLOCKS; RAILS AND ACTION BLOCKS TO IMAGINE AN EMOTION-RICH ROUTE WHERE THE MARBLES WILL ROLL THROUGH MAGNETISM AND GRAVITY. ALL GRAVITRAX BOXES ARE INFINITELY COMPATIBLE AND COMBINABLE. BE CAREFUL; YOU MUST ALWAYS HAVE A STARTER AT LEAST TO BE ABLE TO BUILD YOUR CIRCUIT. A GAME FOR BUILDERS - DESIGNERS OF ALL AGES FROM 8 YEARS OLD. IN ADDITION TO THE INDISPENSABLE STARTER-SET THERE ARE PLENTY OF EXTENSIONS TO ENLARGE AND ACTION BLOCKS TO BOOST YOUR CIRCUIT.