GraviTrax PRO Vertical Spy Labs Wherever Boulder's ramblings take him

Wherever Boulder's ramblings take him

Her fanciful design features a purple coat of soft

soft light

Suitable for children ages 4 and up

INCLUDED: We include five white dice

GraviTrax PRO Vertical Spy Labs Wherever Boulder's ramblings take himThe 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