705 Piece K’nex 70 Model Building Set – Link 
480 Piece K’NEX 35 Model Building Set – Link
Amazon has the right now at 480 Piece K’NEX 35 Model Building Set at just $11.75 and the 705 Piece K’nex 70 Model Building Set at only $16.79!
- Includes instructions/ideas for 70 unique models|705 Pieces|Convenient storage treasure chest|Ages 7+|Made in the USA|
- Includes 70 model building ideas!
- 702 pieces to build a hot air balloon, boats, trucks, a sand castle and more!
- Convenient storage treasure chest to hold built figures and other K’NEX sets
- Made in the USA
- Recommended for builders ages 7+