This kit refill replenishes all the consumable and perishable materials for the Exploring the Nitrogen Cycle Kit. Enough additional materials for 30 students. The perishable materials are shipped with this kit refill. To receive a kit refill with a voucher to redeem at your convenience, order Item #251082.

This kit refill replenishes all the consumable and perishable materials for the Exploring the Nitrogen Cycle Kit. Enough additional materials for 30 students. The perishable materials are shipped with this kit refill. To receive a kit refill with a voucher to redeem at your convenience, order Item #251082.