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Time & Measurement

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  1. 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
  2. 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
  3. 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
    60 In Stock
  4. 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
  5. 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
  6. 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
    14 In Stock
  7. 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
    14 In Stock
  8. 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
  9. 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.