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