Amazon: K’NEX 70 Model Building Set – 705 Pieces Only $16.79
Amazon has the K’NEX 70 Model Building Set – 705 Pieces marked down to only $16.79
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K’NEX 70 Model Building Set – 705 Pieces – Ages 7+ Engineering Education Toy
Note: The price is accurate as of the time of posting, but Amazon’s prices are always changing, so make sure to check the price shown on Amazon when you are checking out, as that will be the price you are charged!