TEXAS ROCK & MINERAL SET $36.00 Add this set to your little geologist’s collection. Big Geologists love it as well! Out of stock Categories: Children, Mineral & Fossil Related products Shotgun Toll $225.00 Add to cart TEXAS OIL AND GAS: POSTCARD HISTORY SERIES $21.99 Add to cart Oilfield Charm – Pumpjack $7.99 Add to cart SOLAR POWERED DERRICK $385.00 Add to cart