A collection of 16 common rocks and minerals on a 4x6" inch card. Facts about the rocks and minerals are printed on the back of the card.
A great little collectible science toy for the young geologist.
A collection of 16 common rocks and minerals on a 4x6" inch card. Facts about the rocks and minerals are printed on the back of the card.
A great little collectible science toy for the young geologist.