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Your students will learn to identify minerals - a fundamental skill for all earth scientists and budding geologists
20 discs of 60-Grit
large bills
120/220 VAC transmitter (250 VAC max)
handheld digital oscilloscope for viewing electrical signals with a manual- and auto-ranging digital multimeter for measuring AC and DC voltage to 400V
Magic Flying Hover Soccer Ball with Lights, Fun Helicopter Gadget Toy Hovers Above Your Hand by Infrared Induction, Suitable for Indoor and Outdoor Use, USB Rechargeable Your students will learn to? This fun flying ball senses objects below or nearby and it will move away intelligently. As the ball slowly descends, place your hand underneath and watch it fly upward like magic! ?? Enjoy indoors or outdoors any time of day as the ball has LED lights that sparkle and shine that make it easy to see at night! ?? Easy to use simply turn on the power switch located on the bottom and then hold the ball upright. After 2 or 3 seconds, the propellers will
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