10 bestSmithsonian Kitsof March 2026

NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit - Complete Rock Polisher Kit, Durable Leak-Proof Tumbler, 227 Grams of Rocks, Grit, 5 Jewellery Fastenings

National Geographic Rock Tumbler Kit - 1.36 kg Extra Large Capacity Barrel with 3-Speed Motor & 9-Day Timer, Includes Rocks for Tumbling & Rock Polisher Grit, Rock Tumbler Machine for Adults and Kids

Advanced Professional Rock Tumbler Kit - with Digital 9-day timer & 3-speed polisher settings - UK/EU Edition Turn Rough Rocks into Beautiful Gems : Great Geology Science Kit STEM Gift for all ages

National Geographic Hobby Rock Tumbler Kit - Rock Polisher for Kids & Adults, Durable Noise-Reduced Barrel, Rocks, Grit & New GemFoam for a Shiny Finish, Cool Toys, Great STEM Hobby Kit

FREENOVE Hexapod Robot Kit with Remote (Compatible with Arduino IDE), App Remote Control, Walking Crawling Twisting Servo STEM Project

Dan&Darci Rock Tumbler Grit Refill Kit - 3.5 Pounds Grits Media + Poly Plastic Pellets - Rock Polishing Media - Polish for any Brand Tumbler - Rock Tumbling Supplies - Stone Polisher

Lexibook, Speaking 2-in-1 Constellations and Images Planetarium Projector, bilingual Spanish-English, 24 images to discover space, 2 constellation domes, STEM, Black/White, NLJ181i2

The Nation's T-Rex Skull Statue | Smithsonian Fossil Replica | 6-Inch Tall Tyrannosaurus Rex Desk Statue | 1:10 Scale

National Geographic NGSHARK Shark Teeth Dig Kit

NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit – 453 g Gemstones and Rocks for Tumbling including Unpolished Amethyst and Quartz – Rock Tumbler Supplies include Rock Tumbler Grit & Jewellery Accessories