K'Nex Big Ball Factory Building Set
Build a classic, nostalgic K'NEX model just like you remember with the 20th Anniversary Big Ball Factory! After 20 years in the K'NEX vault, they are bringing back this classic model to thrill their most loyal fans. Over 3,100 Classic K'NEX pieces complete this gigantic ball machine that stands over four feet high! Watch as the four balls travel down five different paths — which way will the ball go next? Now featuring a motor, just turn the ball machine on and watch it go! Included are easy to follow instructions. You can even download instructions for an incredible Ferris Wheel model. Models can be built one at a time.
- Build a classic K'NEX model, just like you remember
- Stands over 4' high
- Includes 4 balls with 5 different paths
- Includes 3,151 pieces plus a motor
- Requires 2 AA batteries, not included
- Age Range: 12 years and up