Ravensburger GraviTrax PRO Vertical Expansion Set - Marble Run and STEM Toy for Boys and Girls Age 8 and Up - Expansion for 2019 Toy of The Year Finalist GraviTrax , Gray (B084DH6CRC)
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Reach new heights! The Vertical extension allows you to easily place elements in your lane exactly where you need them and save height stones! Build routes in several levels above and below each other and lead routes through columns instead of building around the outside! Construct cleverly and let the sphere pass through tunnels on its way! Combine the extension with your GraviTrax starter set and take your train to a new level! How high and how clever can you build with the Vertical extension?
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