Lot Of 2 K'nex Sets-Building Bridges Building Set NIB And Fun Set 1 Pre-Owned

*Set #1:
K'NEX Education Building Bridges Building Set. This set is new in box. Box shows some signs of wear as seen in photos.
Build 13 fully-functioning replicas of real-life bridges; these models help educate builders about bridge infrastructure by demonstrating key bridge types, such as truss, arch, cantilever, beam, suspension, movable/bascule and cable-stayed
Ideal for home-school: This kit has everything a home schooler or education-savvy parent will need to engage their child or student in learning; kids ages 8 and up will delight in building the structures and then learning about the mechanics of bridge building
Hands-on learning - the three included activities teach about bridge terms, bridge types, load capacity, stability and more
*Set #2:
K'NEX Fun Set 1, including carrying case, 82 K'NEX pieces to make 10 Models, and original instruction manual. This set is gently used in great condition. The set is supposed to include 83 pieces and is missing 1 spacer.