The Gravitrax Marble Run Set Kinetic Blast is a 159-piece STEM building set that allows children aged 8 and above to use gravity and kinetic energy to create unique and dynamic marble runs. With a focus on STEM principles, this set offers a fun and educational way for kids to explore and experiment with different building designs. The Kinetic Blast theme adds an exciting element to the play experience, making it a engaging toy for young builders to enjoy. New in Sealed Box
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