Tesla Coil Handheld Gun, Artificial Lightning, Portable Mini Spark Gap Arc Generator, for Science Physics Teaching Experiment Tool College High School Education DIY Toy，Enhanced Version Please pay attention to the voltage display during use, when it shows 12.4V, it means fully charged. When it shows about 10.5V, please charge it immediately, otherwise the battery may be damaged. The arc generated...
Engine Model Kit for Adults, Metal Mechanical Engine Kit 1/6 Five-Cylinder Radial Aircraft Engine Model, DIY Assembly Engine Electric Engine Motor Model Kit, 230+PCS Craft Gifts Metal Check Offer Price Specifications:.product name: five-cylinder radial engine.product model: DM116; material: aluminum alloy + stainless steel.scale: 1/6.Number of parts: 230+pcs.Lithium battery: 3.7V 800mAh.Charging voltage: DC 5V (USB cable).Charging time: 2 hours.Function: Automatic power...
Monocular Telescope High Powered for Adults,2024 Compact Monoculars Outdoor Monocular Space Astronomical Telescope with Portable Tripod Spotting Scope Telescope Gifts for Children Kids The style allows children to their hands-on and thinking skills in the process of hands-on assembly. The composition, entry-level astronomical telescope, arouses children's interest in observation and exploration. The raws materials are friendly, and to children, and...