The GraviTrax Starter Set by Ravensburger is a boxed STEM activity kit that includes over 100 pieces for creating marble runs. Designed for ages 8 and up, this construction toy set features a theme of building and engineering with materials like cardboard, plastic, and metal. The starter set is part of the GraviTrax product line and offers endless possibilities for creating unique and complex marble run designs. Made in China, this hands-on toy encourages creativity, problem-solving, and an understanding of gravity and physics. A piece and a ball is missing but it doesn't affect it, can still build anything with the over 100 components. From a pet & smoke free home
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