Parts List for K'NEX 50-model Big value building set

The K'NEX 50-model Big value building set dates from 2014. The building set code is 12420.  Click here to download the building instructions for this set.
Missing parts
If you have purchased this K'NEX set from new in the last six months, and parts were missing or broken when you bought it, please:
1. Click on [Request] below for each missing part, to add it to the Shopping cart, where you can enter the quantity missing.
2. Proceed to Checkout, enter your name and address, and answer four questions to establish proof of purchase.
Buying parts
If, instead, you want to buy extra parts for the set, please:
1. Click on [Buy] below for each part that you need, to view the product page for that part, and then select [Buy] again.
2. Proceed to Checkout, and enter your name, address, payment method, etc.
Alternatively, you can use the menu on the left to identify and purchase the parts that you need.