Amazon: K’NEX 521 Piece Building Set Only $12.99
Amazon has the K’NEX 521 Piece Building Set marked down to only $12.99.
- Packed with 521 parts
- Ideas for 35 unique models for open building fun!
- Convenient storage tub
- Rods and Connectors made in the U.S.A.
- Recommended for Ages 7+
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