K'NEX Super value 521pc tub
Weight (approx.) 986g
The K'NEX 521 Super Value Tub includes a mix of Micro K'NEX, classic K'NEX and K'NEX brick parts.Nearest equivalent to this discontinued set is the K'NEX 52-model set
521 + 52 bonus pieces, mostly Micro K'NEX
Click here and enter set code 12575 to download all the instructions for this set.