The Marble Genius Marble Run 85 Piece Set is a marble game designed for kids aged 4 and up. Made from durable plastic, this set includes 85 pieces to create a variety of marble runs. The set features kid-friendly connectors and is compatible with all other Marble Genius sets. With a construction and STEM theme, this set is perfect for developing creativity and problem-solving skills. The free app allows for endless fun and customization, making it a great educational toy for young minds. Made in the Netherlands, this product is a hit in the world of building toys and blocks.

This is new in box. I did open to make sure everything was there and I retapped the box. See all photos before purchasing. Thank you.