Caution
Some customers have reported their shopping carts disappearing while they are not logged in. We are working to resolve this, but, for now, if you have more than 10 items, we recommend that you log in to be sure to preserve your cart. It's quick and easy!

or

Time & Measurement

List View  Grid View 

  1. Classic Judy® Clock

    Classic Judy® Clock - Geared clock to help children learn time from Carson Dellosa

    The most popular classroom clock ever to help children learn to tell time. The Judy Clock has movable hands and large, clear hour numbers on the face. Grasp the knob on the minute hand to turn it and watch the visible, working gears simultaneously move the hour hand. Children clearly see that turning the minute hand one complete revolution causes the hour hand to move forward one hour. Learn More
    $24.95
    SC430
    38 In Stock
  2. Simple Stopwatch

    Simple Stopwatch - From Learning Resources

    Easy for children to operate independently, with one green “go” button, one red “stop” button, and one yellow “clear” button. Rugged, plastic housing; breakaway cord. Learn More
    $9.95
    SC36
    100+ In Stock
  3. About Time

    About Time - A First Look at Time and Clocks

    The earliest people divided time into two intervals, nighttime and daytime. Today’s atomic clocks divide time into picoseconds—trillionths of a second! How did we get from there to here? Paperback, 32 pages. Learn More
    $7.95
    EM30
    22 In Stock
  4. The Story of Clocks and Calendars

    The Story of Clocks and Calendars - Award-winning history book

    Children will journey through time and across civilizations to learn how human beings have relied on calendars to tell us when to plant, harvest, and rest. Indexed, with cultural, science, and history references. Paperback, 48 pages. Learn More
    $9.95
    EM33
    58 In Stock
  5. Wind-Up Tape Measure

    Wind-Up Tape Measure - 10 meter (33 feet) long tape

    This well-made, flexible coated fiberglass tape has heat-sealed markings: inches on one side and centimeters on the other. Just pull on the tape to extend it, then wind it back up. Plastic casing, metal crank. 33 ft. Learn More
    $12.95
    V69
    100+ In Stock
  6. Jumbo Thermometer

    Jumbo Thermometer - Weather observation tool

    Your children can measure ambient temperature on Fahrenheit and centigrade scales, then perhaps record and graph their observations. A fascinating way to exercise observation, math, and writing skills. Clear, easy-to-read numbers; sturdy plastic. Easy to mount; 15". Learn More
    $6.95
    SC662
    100+ In Stock
  7. Galileo Thermometer

    Galileo Thermometer

    Tell the temperature on this glass thermometer by reading the tag of the lowest floating sphere in the upper part of the cylinder. Modeled on the thermoscope invented by Galileo Galilei in the 1600s, it relies on the downward pull of gravity and the upward pull of buoyancy. Learn More
    $25.95
    SC664
    12 In Stock
  8. Precision Balance with Weights

    Precision Balance with Weights - From Learning Resources

    Which weighs more — my apple or your pear? A cup of beans or a cup of rice? Children experience real hands-on science and measurement with this calibrated scale, perfect for exploring concepts like equalities, inequalities, mass, comparisons, and order. Learn More
    $44.95
    SC209
    Order Now! Due in Stock 12/17/2017
  9. Precision Weights

    Precision Weights - 100 grams in a plastic storage case

    Eight shiny metal weights are clearly marked (in grams) for a variety of science and measuring activities. They make good additional or replacement weights for use with your balance. Packed in a plastic storage case. Learn More
    $9.50
    SC213
    13 In Stock
  10. How Much Does a Ladybug Weigh?

    How Much Does a Ladybug Weigh?

    Would you have guessed that 10 ants weigh the same as one ladybug and three rabbits weigh the same as one fox cub? This clever book uses counting to introduce the concept of comparative weight. Hardcover, 32 pages. Learn More
    $14.95
    MA130
    13 In Stock
  11. Mini Measuring Beakers Set

    Mini Measuring Beakers Set - 4 pieces from OXO Good Grips

    Ideal for measuring small amounts of liquids, this set of nesting beakers reminds us that cooking really is science. Calibrated in both standard cooking units and milliliters, each beaker has a flared top and spout for easy pouring. 4 plastic pieces. Learn More
    $9.95
    SC846
    100+ In Stock
  12. Long Black Strip

    Long Black Strip - From Azoka Company

    Unfurling this strip is quite a dramatic statement—it’s just under 3 inches wide and almost 100 feet long! The Long Black Strip represents time from the beginning of the formation of Earth to the first human life on Earth. Learn More
    $50.00
    EM822
    7 In Stock
  13. Time Line of Life

    Time Line of Life - From Azoka Company

    This package provides beautifully made materials children will use to explore and research the history of life on Earth. Includes Timeline, Mute Chart, Die-cut Picture Cards, Era Labels, Companion Cards, and two books. Learn More
  14. The Timeline of Early Humans

    The Timeline of Early Humans - From Azoka Company

    This set includes the laminated control (in Panel- or Mural-Style), two sets of companion cards, and a teacher’s resource booklet. It shows the story of the human journey from the end of the Pliocene to the beginning of the Holocene, ending at the Bronze Age. Learn More
  15. Maria Montessori Centenary Card Set

    Maria Montessori Centenary Card Set - A 100 year historical retrospective

    Ten picture/story cards celebrate Montessori’s life and work in beautifully reproduced photographs in collaboration with AMI/USA. Place and date labels; short related facts. Learn More

Your satisfaction is guaranteed. You may return any item, for any reason, and receive an exchange,replacement, or refund.