Shows the use of wind direction, barometric pressure and cloud type to predict the weather. Includes full listing of radio weather stations for official broadcasts. Has key information on navigation in fog, hazardous wave and surf conditions, storm warnings, hurricane avoidance, and more! "Time test...

Includes (6) 11" balloons.

Before GPS, before the compass, and even before cartography, humankind was navigating. Now this singular guide helps us rediscover what our ancestors long understood―that a windswept tree, the depth of a puddle, or a trill of birdsong can help us find our way, if we know what to look and listen for....

Let it rain! Let it blow! Let it snow! Explore the science behind weather using this interactive station to track wind, rain, and temperature and put your weatherman to the test! Read all about it! Did you know that the highest temperature ever recorded on Earth was 136°? Read all about the extremes...

These large solid marble pebbles can be used to decorate or cover the ceramic media without obstructing the flow of water into the filter. Available in white chosen for its Feng Shui properties that promote spiritual and moral purity. Once in water the color of the pebbles deepens and shines. They a...

Arduino is the open source electronics prototyping platform that has taken the Maker Movement by storm. This thorough introduction, updated for the latest Arduino release, helps you start prototyping right away. From obtaining the required components to putting the final touches on your project, all...

The Sunforce 50012 1.8-Watt Solar Battery Maintainer is the perfect solution for charging the batteries of motorcycles, automobiles, snowmobiles, tractors and more. Made of durable ABS plastic and amorphous solar cells, this unit charges in all daylight conditions, even on cloudy days. Constructed...

La Crosse Technology WS-8157U-CH-IT Atomic Clock with Outdoor Temperature and Weather Forecast Have all your weather in view with this Digital Wall Clock featuring self-setting time & automatic DST change with a Weather Forecast. It catches your eye with its 3 different weather icons: sun, sun/clo...

The Sunforce 5 Watt Solar Battery Trickle Charger will help keep your vehicle's battery charged anywhere, anytime! Maintenance free and easy to install, this solar charger offers an ideal way to maintain and charge 12 Volt batteries for your car, boat, RV, electric fence, deer feeder and more! Made...

Get ready for a 100% chance of scientific fun!Have you ever wondered what happens in the eye of a tornado or how hurricanes gain their strength? From lightning and snow-day blizzards to rainbows and monsoons, The Everything Kids' Weather Book gives you an exciting look into all the action that happe...

[Functions]■German Sensor■Weather Forecast(Sunny/ Cloudy with sun/ Cloudy/ Raining)■Altimeter -Altitude graph (automatically records on the hour) -Meter(m) or feet(ft) -Altitude graph (stores up to 34 past hourly data)■Track Mode (Relative Altitude : It can measure the ascending or decending altitud...

[Functions]■German Sensor■Weather Forecast(Sunny/ Cloudy with sun/ Cloudy/ Raining)■Altimeter -Altitude graph (automatically records on the hour) -Meter(m) or feet(ft) -Altitude graph (stores up to 34 past hourly data)■Track Mode (Relative Altitude : It can measure the ascending or decending altitud...