Rock Collection Box For Kids Natural Rough Mineral Specimens Set for Education

Single size: about 10~15mm/0.39 0.59in (+-0.3mm difference in irregular size). Material: natural stone. Quantity: 50 in a box. Product weight: about

Byncceh Rocks Collection Box for Kids - 36pcs Real Rock & Minerals Collection Geology Gemstone Kit with Identification Sheet Great STEM Toy Science Kit Educational Gifts for Boys & Girls

Vintage Mineral Set 28, Rough Crystals, Antique Gemstone Set, Raw Natural Minerals Kit, Raw Rock Set, Old Minerals Collection

NATIONAL GEOGRAPHIC Rock & Mineral Collection - Rock Collection Box for Kids, 15 Gemstones and Crystals for Kids, Geology for Kids, Crystal Collection, Science Kit, Rock Gift ( Exclusive) : Industrial

ROCK AND MINERAL Educational Collection Box - 12 Pieces £15.99 - PicClick UK

Minerals Collection, Rock Set Collection, Fossil and Mineral Collection, Gemstones Collection Set, Rough Crystals Set of 15, Raw Minerals

Raw Amber 1 Rough Amber Stone Crystal Rock Raw Mineral Specimen Natural Gemstone Sap Crystal light Weight

Mega rock, fossil & mineral collection kit: We've done the traveling and sifting through all that dirt for you, and collected this incredible

Rock Collection for Kids. Includes 250+ Bulk Rocks, Gemstones & Crystals + Genuine Fossils and Minerals - 2 Lbs. - Geology Science STEM Toys, Gifts

DESCRIPTION , This is an economical rocks and minerals collection of 35 mounted and labeled 5/8 specimens. Includes examples of metallic minerals,

Rocks & Minerals of US Collection, 35 specimens

Byncceh Rock Collection Box for Kids - 25 Unique Gemstones- Educational Science Kit, Great STEM Gift for Boys & Girls : Home & Kitchen

ROCK AND MINERAL COLLECTION in Collector's Box - Premium Specimens - Geology £38.10 - PicClick UK

VINTAGE ROCK & Mineral Collection With 100+ Specimens From Around The World £245.00 - PicClick UK

Rock Collection for Kids - 30 Pcs Rocks, Gemstones & Crystals Kit with Learning Guide,Mineral Education Set Geology Science STEM Toys, Earth Science Activity,Gifts for Boys & Girls : Toys

Premium 18 Pc Rock & mineral Collection with Case and ID Sheet This great collection includes a premium, crystal-clear plastic collector's case (measures 8 inch L X 4 inch X 1.25 inch H) and 18 hand-picked rocks and minerals that are each approximately 1 inches in size. The included color identification sheet will help you identify the different rocks and minerals. Also comes with Mohls hardness scale (an identification tool that rock collectors use for identifying rocks).

Rock and Mineral Educational Collection in Collection Box - 18 Pieces with Description Sheet and Educational Information