National Geographic Hobby Rock Tumbler Kit NGHOBBYTUMBLER [National Geographic] [Item]

---------------------------------------------------------------------- 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ---------------------------------------------------------------------- High-quality tumbling machine with a powerful motor that can be used for many years. Jewelry clasps for creating beautiful homemade jewelry Automatic shut-off timer Noise-reducing, leak-proof barrel with stainless steel lid Half-pound gemstones from around the world (9 types) and 4 grades of grit The National Geographic Hobby Rock Tumbler Kit NGHOBBYTUMBLER is a fantastic item for building a fun and beautiful rock collection! This National Geographic hobby rock tumbler kit includes all the accessories you need to polish your dazzling gems. It includes a full-color information guide with various information about each gem. (Instructions in English) Enjoyable for both boys and girls. Not suitable for children under 3 years old due to choking hazard. Please note that the outer packaging may be damaged.