Take on the ultimate K'NEX building challenge with the Grandfather Clock building set! With over 9,000 K'NEX parts and standing over 6 feet tall, the Grandfather Clock is the LARGEST K'NEX set ever created. Follow the color-coded instructions for hours of building fun! The Grandfather Clock is also a real working clock, with moving hands, a swinging pendulum and even sound chimes. The Grandfather Clock is recommended for K'NEX enthusiasts ages 16+.
Grandfather Clock 89774