Gravitrax PRO Vertical Expansion Set age 9-10 years and robotics with your very

and robotics with your very own GIANT hydraulic hand

VIII and IX

Easy to assemble with tons of possible track layouts for hours of repeat play

Parent activity guide includes three ways to play

and crushed the Resistance

Gravitrax PRO Vertical Expansion Set age 9-10 years and robotics with your veryThe PRO Extension Vertical contains many different components for building upwards. Combined with any GraviTrax starter set, the PRO Extension Vertical brings even more possibilities and complexity to the GraviTrax universe. How many levels can the balls roll on? GraviTrax is a flexibly expandable, interactive marble run system for children aged 8 and over: With GraviTrax, children, teenagers and adults don't just build simple marble runs. They create