Model: Dime-Tech DT911 Color: Black Power output: 20 Watts Frequency response: 100hz ± 13db1khz ± 1db Dimensions: 4.13in x 3.31in x 1.38in (105mm x 84mm x 35mm) Weight (w/ Batteries): 0.92 lbs (420 g) Voltage : 7.5v Current consumption: 150mA Speaker Sensitivity: 53 dBV/A +- 3 dB Power Source: Built...

Science has never been so easy—or so much fun! With The Everything Kids' Science Experiments Book, all you need to do is gather a few household items and you can recreate dozens of mind-blowing, kid-tested science experiments. High school science teacher Tom Robinson shows you how to expand your sc...

Quick & to the point. 3 bundles of Zen pipe cleaners hard bristle, there are 44 in each bundle, giving you a 132 total each pipe cleaner measures approximately 6 inches long, making cleaning even easier. Zen the name you know & can trust for all your cleaning needs & 420 help these are the ideal len...

Always be heard with the PWMA50B, a 50-watt, rechargeable waist-band PA with headset Lavalier microphone. The small, super-powerful voice amplifier is perfect for teachers, coaches, tour guides, and presenters - you can be heard up to half a mile away. Built-in rechargeable batteries last up to 12 h...

Be heard without being hard on your voice. Teachers, tour guides, coaches, and anyone who must make speeches or presentations could benefit from their voice being louder and clearer. Using the rechargeable portable voice amplifier by Croove is a great way to make sure your voice is heard, without we...

Innovating Science buffer calibration kit is used to determine pH levels, and includes pH 4, pH 7, and pH 10 solutions for calibration, and electrode storage solution (electrode sold separately). The kit has an instructions and safety data sheet (SDS) packet for product information and handling proc...

Creative Background: I lost my father when I was 4 years old. Unfortunately, I was too young to remember him. However, my hometown always remembers him as an excellent business man, gaining legendary status in his field. The stories I know from my father comes mainly from friends and family who had...

Q: What do you get when you cross a dentist and a boat?A: A Tooth Ferry.Q: Why did the boy eat his homework?A: Because the teacher said it was a piece of cake.Kids are clamoring for more uproarious jokes, and More Laugh-Out-Loud Jokes for Kids gives children ages seven and up many more hours of fun...

Creative Hobbies® pack of 12 nice quality magnetic backed memo notepads for one low price! Keep your notes where you can see them with these attractive Magnetic Memo Note Pads. These timeless designs are artistically done and sure to bring a little bliss to anyone who uses them. The memo pads can st...

The classic map and compass navigation guide-revised for the age of GPS GPS devices are great, but they can break, get lost, or easily be hampered by weather conditions, making basic map and compass skills essential for anyone who spends time outdoors. This popular, easy-to-use orienteering handbook...

"I know you'll want to read more after you finish Sailing a Serious Ocean. And be warned, you'll very likely want to sail with John, perhaps across an ocean." -- DALLAS MURPHY, AUTHOR OF ROUNDING THE HORN After sailing 300,000 miles and weathering dozens of storms in all the world's oceans, John Kre...

Keep your notes where you can see them with these attractive Magnetic Memo Note Pads. These timeless designs are artistically done and sure to bring a little bliss to anyone who uses them. The memo pads can stick to your refrigerator, magnetic boards, file cabinets, school lockers or anywhere with a...