Mosasaurs (from Latin Mosa meaning the 'Meuse river', and Greek σαύρος sauros meaning 'lizard') are large, extinct, marine reptiles. The first fossil remains were discovered in a limestone quarry at Maastricht on the Meuse in 1764. Mosasaurs probably evolved from semiaquatic squamates[1] known as aigialosaurs, which were more similar in...

Wack and Crack Amethyst Geodes for Kids.  Real Amethyst Geodes.  Crack the Geodes and find the Amethyst crystals within. Weight: 265 Grams, Display measures: 2.25 x 2.25 x 5.75

Astro Kids Mineral Collections. Comes with 15 identified mineral specimens, 4 1/2x magnifier   Pack Weight: 357.3 Grams

Gemstone Mining Bag for Kids Comes with Sifting Pale, Shovel, a bag of genuine Gemstones and color mineral  identification card. Weight: 7.8 lbs, Size: 10 x 8 x 3.5 inches

Deluxe Gemstone Mining Kit for Kids Comes with a bag of genuine Gemstones, large Sifting Pail, Color Mineral Identification Card and Mineral Display Ball Jar. Weight: 8.8 lbs, Size: 12 x 9 x 3.25 inches

Sahara Dune Sand, from the Sahara Desert, melted by 30,000 degree lightning strike. This specimen (roughly 1") has root-like hollow tubes which show sandy surface and fused interior. This petrified lighting specimen is displayed in a black box with a description. *Stock photo shown. Similar piece will be sent. 84.7...

Genuine Agoudal Meteorite in a Glass Display Box. In 2000 two large pieces of iron were collected in the Agoudal area, High Atlas Mountains, Morocco. Type IIAB iron meteorites are also called hexahedrites. Hexahedrites are low nickel iron meteorites certainly among the rarest of the iron meteorites. This specimen (roughly...

A genuine fragment from the famous Chelyabinsk Meteorite fall, Russia, 2013. This Chondrite fragment was recovered from a frozen lake, Feb. 15, 2013. The meteorite created a huge explosion upon entering the atmosphere breaking thousands of windows. The specimen comes in a glass display box with a description of the...

Genuine Canyon Diablo Iron Meteorite in Display Box. This nickel-iron meteorite was found in the world famous Baringer crater (meteor crater) AZ, USA. The crater is about 3900 ft in diameter, and 560 ft deep. The impact which carved out this crater is believed to have occurred about 50,000 years ago with energy...