GraviTrax PRO Vertical Starter Set – Marble Run and STEM Toy

– GraviTrax PRO: Starter Set Vertical allows you to build vertical action-packed track systems
– Includes 153 elements with unique components
– Build three-dimensional structures with walls, pillars, and balconies
– Seamless integration with existing GraviTrax sets for more dynamic marble runs
– Special notches on pillars allow for intricate marble paths
– Balconies suspend tracks in the air
– STEM toy for boys and girls aged 8 and up
– Encourages experimenting with