Ravensburger GraviTrax Accessory - Balls & Spinner

GraviTrax is the all new STEM track system from Ravensburger Use your imagination to build superb tracks and set the Gravity Spheres rolling More product information With the spinner up to six balls can be started at once. Watch as the marbles are sent on a race to the finish through the tracks Infinitely Expandable - All GraviTrax and GraviTrax PRO products are compatible creating endless possibilities for your tracks. An amazing building toy NB you need a starter pack too use this set. Contents This Set includes 6x Balls, 1x Spinner & Instructions  GraviTrax Extension - Balls & Spinner 26979