Rock Tumbler Kit, Professional Rock Polisher with Rough Gemstones and 4 Polishing Grits, Great Science Kit for Geology Enthusiasts, Kids and AdultsSTART A TUMBLING JOURNEY: Rock tumbling is a hugely popular hobby for kids and adults! rock tumbler is for turning rough raw rocks into smooth gemstones, you will be very excited to see the rocks changes with each cycle. ROCK TUMBLER KIT: Experience the ultimate rock tumbling with our rock tumbler set. It includes a rock tumbler, 4 polishing grits, rough rocks, jewelry fastenings, glue, and an instruction manual. Plus, 2 drive belts are included for replacement. Perfect for beginners and enthusiasts, this comprehensive set has everything you need to transform rough rocks into polished gems.USER-FRIENDLY DESIGN: The rock tumbler barrel lid is easy to twist without getting hurt, and the whole operation is highly sealed without worrying about water leakage. The barrel base's groove handle helps you hold the machine easily. The anti-skid pads on the bottom four corners ensure stable operation without shifting.CUSTOMIZABLE GRINDING TIME: Our rock tumbler allows you to set the grinding time according to your preference, ranging from 1 to 7 days. This feature gives you full control over the polishing process, ensuring optimal results for different types of gemstones.
Not compatible with Mobile Phone1000x 8-LED USB Digital Microscope Endoscope Magnifier Electronic Video CameraFeatures:1. Excellent design.2. Perfect performance.3. 8LEDs, strong brightness, more clear.4. Professional, more versatile, can be applied to laboratory research, electronic components, jewelry identification, etc..5. USB, more convenient to connect the computer.6. Portable, lightweight and easy to use. Specification:Material: Plastic caseColor: BlackMagnification: 1000x SizeBracket height: 12cmMicroscope: 11x3cmPixel:2mpLED: 8LEDApplication: Work with 2000/2003 / XP / Vista / 7/8/10, Linux / Mac OSX (Apple computer) / AndroidWeight: 230g Package Included:1x Microscope1x Stand1x Software CD1x Calibration Ruler
Remote Control Excavator 11 Channel RC Excavator Truck Toys 1/20 Scale 2.4Ghz Construction Vehicles with Metal Shovel 680° Rotation for Kids BoysPowerful Alloy Bucket: Performs well on real dig and lifting a shovel full. Can coordinate with the cab swiveling within 680 degrees and the excavator moving forward/back.Take the remote control excavator to an outdoor space like a sandbox, beach, or park. Indoor & Outdoor Trick Performance: Digging and Construction: Kids can use the remote control excavator to dig and move objects like sand or dirt. They can create their own construction sites or pretend to be builders constructing roads, buildings, or even mini landscapes.Featured Multi-channel Joystick: Your little kids will be attracted by mechanical sound and flexible robotic arm that controlled by the authentic & easy-to-use joystick.2 High-capacity Batteries: 1200 mAh rechargeable batteries make excavator and kids more energetic! It offers nonstop construction fun.
