Advwin Electric Rock Tumbler Kit with 9 Speed & Timer

The Advwin Rock Tumbler Polisher Kit transforms rough stones into gleaming treasures.It offers nine speed levels and a 9-day timer for precise grit stages. Engineered for quiet operation, it¡¯s ideal for home and classroom. Encourage Australian kids to explore geology, develop patience, and ignite a lifelong passion for STEM. Features: Complete Rock Tumbler Polisher Kit: Includes 12V 1A adapter and quiet barrel for safe, durable polishing of gemstones and rocks. Adjustable 9 Speed Settings: From gentle to rapid polishing, tailor RPM (0-1020¡À10% Rpm) to each stone¡¯s hardness. Up to 9-Day Timer: Accurate digital timer for hands-off tumbling¡ªperfect for multi-step grit polishing. Whisper-Quiet Operation: The rock tumbler is low noise lets kids learn without distraction. STEM Learning & Patience Training: Cultivates curiosity, fine motor skills and perseverance through hands-on geology experiments. Features: Fast spinning Low noise 9-day timer 9 speeds Cultivate children¡¯s interests Specifications: Colour: Green Product Material: ABS Power: 8W Noise:<70dB No-load Speed: 1020¡À10%Rpm Timer: 9 day Speed: 9 Step Products include: 1 x Professional Rock Tumbler Kit 3 x Belt 1 x Various Rocks 1 x User Manual