Ravensburger Marble track (22425 8)

GraviTrax is a STEM building game with which you can unleash your creativity by building a world of paths Make Your Journey Amazing, Let the Challenge Begin With up to 175 elements you can create unlimited combinations: with 'spiral' you can spin the ball, and with 'bridges' you can expand your track For children aged 8 and up, Manufacturer: GraviTrax/Ravensburger