GraviTrax Hammer by Ravensburger
Give your marble run a boost
Propel through your marble run by adding the Hammer into the mix. When triggered, the hammer swings down and hits the marble, giving it momentum to send it on its way. Use the hammer to boost your marble up inclines and down tracks. This accessory also includes 6 additional tracks.
What is GraviTrax?
GraviTrax is an interactive track system where you can design and build your own marble runs. This Stem toy for boys and girls 8 and up, encourages experimenting with gravity, magnetism, and kinetics to propel your marble to the finish.
Designed with open play in mind, the concept offers endless possibilities to design a different track every time you play. Expand your builds and add some action with a variety of expansion sets and accessories.