CREATE YOUR OWN GEMSTONES: Rock Tumbler uses a fun way to turn rough rocks into shiny, polished gems in a hobby that kids and adults alike will love! Full-color instructions make tumbling easy for beginners, and you can create your own dazzling gems in just 2 days! STURDY 7 DURABLE: The Rock Tumbler has high quality thickened rubber tumblers. The high quality motor can work steadily for a long time and can last for a long time. Independent soundproof design can be 60% quieter than other products. With simple instructions, children can easily use this scientific tool ALL IN ONE EDUCATIONAL TUMBLING KIT: Everything you need for tumbling is in the box, just open it and start your gem making. It includes: tumbler, low-noise leak-proof bucket, 9 different types of gemstones, a measuring cup, 2 gemstone storage bags, four polishes, jewelry fasteners, and a detailed full-color learning guide. This is the perfect homeschool gift for children ages 8-12! HOBBY STEAM PROJECT: Research Rolling Stones is a fun activity for children of all ages to explore. The grinding stone bucket promotes exploration of geography and science, and the simple science experiment toys inspire children to investigate and explore. It takes a little time to polish the stones, but your patience is worth it. You can see the whole process of turning the stones from angular pieces to rounded stones, and eventually you can harvest several stones EDUCATIONAL FUN GIFT: A high-quality hands-on science kit, Rock Tumbler is a fun gift for kids of all ages. This is an educational, knowledge-based science set designed for children who love science and geography, beautifully packaged and stylish, making it a suitable gift for 10 year olds boy