Ravensburger Gravitrax action block balls & spinner

Boost your GraviTrax circuits with these 6 extra marbles and their spinner-shaped starting block! This 6 ball block and refill can be played with at least one Starter Set and can then be combined with all GraviTrax products.

Contents:
1 spinning top starting block, 6 marbles included

Warnings:
Caution. Not suitable for children under 36 months. Small balls. Danger of choking.