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Head on over to Amazon, where you can currently save 25% on this K’NEX 70 Model Building Set. This building set contains 705 pieces and the rods and connectors all attach to one another in different ways, allowing your kiddos to create a multitude of shapes, figures, and models with ease.
Shipping is free on a book order of $25 or an order of $49 or more. Amazon Prime members (sign up for a 30-day free trial here) can get free 2-day shipping.