3-7 years. Create models out of big, soft, chunky K'nex pieces that are easy to assemble, stay together during play, and can be quickly dismantled for easy clean up. Great for children with varying fine motor skills. Each set includes building cards and storage tub with snap-on lid.

Express Delivery Surcharge

We add a surcharge for expedited delivery of a few items because of their weight, size or dimensions. This charge is in addition to our base shipping charge for Next Day or Second Day Air.

The Next Day Delivery Surcharge for this item is:	$103.00
The Second Day Delivery Surcharge for this item is:	$0.00