Great value building set, contains 1315 KNEX Rods and Connectors, 1 spring motor and a power pack motor. Two instruction books to build 80 models, including 8 dynamic motorized creations. Supports up to 12 students building simultaneously in teams of 2-3. Builds 80 models of varying difficulty. Multiple models can be built simultaneously. 1315 KNEX pieces. Includes spring motor and battery motor. Supports 8 - 12 students working in teams. Packaged in four strong, stackable storage trays with moveable dividers and snap-on lids.

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:	$62.00
The Second Day Delivery Surcharge for this item is:	$0.00