Tourmaline Ring Puzzles Cryolophosaurus Figurine brings one of

Cryolophosaurus Figurine brings one of the most fascinating dinosaurs from the Early Jurassic Period to life

A combination of mathematics

The flexible yet durable plastic tiles interlock quickly and easily for all skill levels

A timeless puzzle that combines artful design with hands‑on engagement and an appreciation for the nation’s natural treasures

A striking combination of natural mineral beauty and tabletop functionality

Tourmaline Ring Puzzles Cryolophosaurus Figurine brings one ofThis ring features natural tourmaline gemstones set in sterling silver. Tourmaline is a complex borosilicate mineral that occurs in a wide range of colors, often forming elongated, striated crystals. Details: Material: Natural tourmaline set in sterling silver (92. 5% silver, 7. 5% copper) Appearance: Vibrant, polished stone, color may vary from pink, green, or multicolored Formation: Forms in igneous and metamorphic rocks through boron rich fluids