GraviTrax is an innovative marble run and construction toy for boys and for girls ages 8 years and up. It is an ideal birthday gift for smart, curious kids. Propel the action! Let the ball spin round and round with the GraviTrax Spiral. Experience the power of gravity! With different height possibilities, you can configure the Spiral to take the marbles on a dizzying journey from one level to the next. This S.T.E.A.M. system is an ideal one to teach kids about gravity, magnetism, kinetic energy and fun. Combine with the Starter Set and other Expansion sets to help you get started in the world of GraviTrax!

• Includes 2 pc(s): 1x Large Spiral, 1x Small Spiral
• This expansion set combines with your GraviTrax Starter Set
• Packaging is 9 x 9 x 5 cm