Hey Gravitrax fans, this hammer accessory is such a cool addition to your marble run collection! It gives your balls fresh momentum to travel further along those awesome tracks you've built. You do need the Gravitrax starter set to use this (just FYI), but once you add it in, it takes the action to a whole new level. The hammer mechanism is really clever - it interacts perfectly with the balls to keep them moving when they might otherwise stall out. It comes with super clear instructions so you can start building and playing within minutes. What's really great is how it secretly teaches kids about physics concepts like momentum and kinetic energy while they're having fun. I've seen this on TV shows and it totally lives up to the hype! The quality is typical Ravensburger - durable plastic that holds up to repeated use and fits perfectly with all the other Gravitrax pieces. It encourages kids to think creatively about track design and problem-solving as they figure out the best places to position the hammer for maximum effect. The STEM learning aspect is fantastic - they're developing spatial reasoning and planning skills without even realizing they're learning. Watching the hammer action in motion is seriously satisfying, and it adds this extra element of excitement to your track systems. If you already love Gravitrax, this accessory will give you endless new possibilities for creating even more complex and entertaining marble runs. Perfect for kids 8 and up who enjoy building and experimenting!
Free 30-day returns 
Free 30-day returns
