volcanic pumice stone

Cosmic Dig Kit by Big Discoveries - Planet Gem Fossil Excavation STEM Science Toy (Neptune)

4M Kidzlabs Crystal Mining DIY Gemstones and Minerals STEM Kit

MindWare Dig It Up! Dragon Eggs - Science and Nature

Dissect-It: Frog Lab

Probelle Colossal Foot Rasp Metal Foot File

Dan&Darci Advanced Professional Rock Tumbler Kit – with Digital 9-Day Polishing Timer STEM Gift for Kids All Ages, Geology Toy

PICASSO-TILES 250PCS STEM Building Block Construction Kit – Engineering Toy with IdeaBook, Power Drill & Clickable Ratchet for Kids

Apostrophe Games Roman Colosseum Building Block Set – 1756pcs

Cosmic Dig Kit by Big Discoveries - Planet Gem Fossil Excavation STEM Science Toy (Mercury)

Pursonic Lavastone Braclet with essential oils

PICASSO-TILES 400PCS Straw Construction Building Set, STEM Educational Interlocking Toys, Creative Builder Kit for Kids Boys & Girls

PICASSO-TILES Magnetic Tiles for Kids, STEM Educational Construction Building Blocks Set for Ages 3 and up

Dig It Up! Discoveries: Cats

LotFancy Science Kit for Kids 6+, 105 Science Lab Experiments, STEM Project Educational Toy

PICASSO-TILES 136PCS Pipe Tube Wheel Construction Building Blocks Set – STEM Educational Toy for Kids

Wow in the World: Break-Open Crystal Geodes by Thames & Kosmos

PICASSO-TILES Red Stem Rose Flower 90pc Magnetic Building Set, Creative STEM Construction Toy for Kids, Hands-On Play, Room Decor & Mother’s Day Gift

Learning Resources Erupting Cross-Section Volcano Model - Science Projects, Ages 6+

The Thames & Kosmos Rock Tumbler

Kaplan Early Learning Specimen Stones: Sea Creatures