Ravensburger - GraviTrax PRO - Mixer Element - 26175 - STEM construction game - Extension for creative marble runs - Children aged 8 and up - French version
 Mix the trajectories of your marbles!
 Let the balls swirl around in the mixer and watch which side they leave the action block. With this PRO element, bring more possibilities, more challenges and more creativity to your GraviTrax circuits! It is played with at least one Starter Set and can then be combined with all GraviTrax products.