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.
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