Earth Materials Refresh Kit

A refill of consummable materials for use with the FOSS® kit of the same name, this Refresh Kit includes enough materials for two classes to complete the kit activities.

Contents:
• (4) Yellow post-it pads, 1/2" x 2"
• Ottawa white fine sand, 2.5 kg
• Green aquarium gravel, 1 kg
• Red aquarium gravel, 1 kg
• Oyster shells, 16 oz.