K'NEX Big Ball Factory building set
3152 Classic K'NEX pieces
Weight (approx.) 6740g
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, we are bringing back this classic model to thrill our most loyal fans.
Over 3,100 Classic K'NEX pieces complete this gigantic ball machine that stands over 1.2m (4 feet) high.
Watch as the 4 balls travel down 5 different paths - which way will the ball go next? Just turn the motor on and watch it go!
Included are easy to follow full-colour instructions. You can even download instructions for a second Large Ferris Wheel model. Models can be built one at a time.
Requires 2 "AA" batteries (not included).
Perfect for advanced builders from 12 to 99.