Wheee! Round and round the marble goes, down the Spiral Expansion - from Gravitrax. The Spiral adds another level of fun to your marble run.
This is an Expansion set, and requires a GraviTrax Starter Set in order to work.
For 8+
Wheee! Round and round the marble goes, down the Spiral Expansion - from Gravitrax. The Spiral adds another level of fun to your marble run.
This is an Expansion set, and requires a GraviTrax Starter Set in order to work.
For 8+
