Terrapins art for sale July 30, 2020 Cai Art on Products, Product Reviews Terrapins in water color stamp and oil pastel colored limbs, swimming in watercolor. Terrapins original art for sale in A5 paper, USD20, shipping free. Terrapins hand drawn from real models. The real models for the art: Terrapins like the taste of calcium. They nibble at the calcium.