Measurement

3 years & up. Helps develop mathematical skills through discovery play as children move the monkeys around to keep the tree balanced. Includes one tree and 6 monkeys.

12 months & up. With two buckets to fill with colorful blocks, this scale introduces toddlers to weight, gravity, balance, and critical thinking. Each of the six colorful shapes are equal weights. When the weight balances, the eyes open. The eyes close when the scale is off balance. Kids will delight in watching the eyes open and close as they move the shapes in and out of the buckets. For added enjoyment, there is a mirror on the reverse side.

18 months & up. Introduce early math concepts, such as counting, problem-solving, sequencing, comparing, and classifying, while exercising fine motor skills with these brightly colored puzzles. Children will enjoy lining up these easy to grip familiar farm puzzle pieces from smallest to largest. Use the Size and Sequence Farm Puzzle in a lesson about animals or crops found on a farm. Encourage children to identify objects and colors as they solve this set of self-correcting puzzles.

This colorful growth chart allows children to keep track of their growth and see how tall they are while encouraging them to feel a sense of pride and esteem. The colorful presence of the chart makes it the perfect addition to any classroom wall decor for the entirety of the year. Sturdy and protected classroom chart is generously sized at 4'H x 8 1/2"W.

12" Wooden Rulers with standard inch measurements.

4 years & up. Tick Tock, it's time to tell time! Demonstrate and practice time-telling concepts with this ideal classroom pack. These clocks feature 2 movable hands, 1 little and 1 big. Sized perfectly for smaller hands and fostering unique hands-on learning. Set includes one Original Judy Clock, 24 Original Mini-Clocks, and one Teaching Guide.

4 years & up. The Original Judy Clock provides a simple and fun learning tool for telling time featuring moveable hands, visible functioning gears, and an elapsed time bezel. Visible functioning gears maintain correct hour hand and minute hand relationships. Use this clock as a resource to introduce children to concepts of time, motion, and cause/effect. Clock comes permanently assembled. Includes a teacher's guide. Clock measures 12.75" diameter x 13.5" H.

4 years & up. Use these best-selling clocks to teach time to the hour, half-hour, quarter-hour, and minute. Child friendly and easy to use. Perfect for learning centers or for small group instruction. Each clock features moveable plastic hands mounted on a sturdy wooden base. Individual stands are included. A great companion to the Original Judy Clock (sold separately).

3 years & up. These exciting Activity Cards are an ideal way to encourage children to match, count, compare, order and measure the bones they discover in the Dinosaur Bones set (sold separately). The 8" x 11" Activity Cards are made from durable PVC and can be used outdoors. The 16-piece Dinosaur Bone set can be buried in the sand, soil, or water, and they will appeal to children's instincts to explore, investigate, sort, compare and measure. Buy separately or as a set.

3 years & up. The Big Tape is just like a carpenter's, except that it is child-friendly. Measure everything in centimeters or inches using this retractable tape measure. Big and chuncky and easy for little hands to use and understand size relationships. Tape measures 36"/ 100 cm long.

This deluxe set is the perfect size for any classroom learning measurement equivalents. Made of durable plastic, each piece is clearly marked to provide years of use. Ideal staple item to have available in any science class. Set consists of 17 pieces including liquid measuring cups, spoons, jars and a teachers guide.

3 years & up. Teach weight, measurement and grams with this strong, durable, plastic balance! The scale features detachable buckets with sliding compensators for zero adjustments. This scale is sized perfectly for classroom use or at home. Includes five each of 5 gram and 10 gram Hexagram® weights. 24.5"L x 8.5"W x 14"H.

3 years & up. Sturdy, accurate balance features removable, transparent 1/2-liter buckets for comparing liquids or solids. One gram sensitivity.

Grades 1 - 3. Students learn the importance of money recognition, adding, and making correct change through interactive play. Students can set prices, buy and sell items, and learn the value of money. Includes calculator, game pieces, 40 play bills, and 100 coins. For 2-4 players.

Grades 2 & up. This easy-to-read balance has two 500ml colored buckets for balancing and weighing a variety of liquid or solid materials. This durable and economical balance has a capacity of 2000g, is readable to 1g and has an easy-to-use sliding zero adjustment. Includes 2 lids for easy conversion to a pan balance. Contents not included

Grades 3 & up. All-purpose balance provides accurate measurement of capacities to 2000g (readable to 1g). Molded from high-impact styrene, this durable unit features a zero adjust knob and two removable 10 cm square pans. Includes 8-piece brass mass set: 50 gram, 20 gram, 10 gram, 2 x 5 gram, 2 x 2 gram, and 1 gram weights and Activity Guide.

5 - 13 years. Twist and roll this UltraFlex™ 12" / 30 cm ruler to measure curved and angular surfaces accurately. SAFE-T® Plastic will not break or shatter under normal classroom conditions. Features both U.S. customary and metric scales. Transparency lets students see what they're measuring. Ruler regains its flat shape when not in use. Colors vary.

Grades K & up. You can twist and roll these rulers but they will always turn back to their flat shape. Great for measuring curved surfaces. Includes five 12" (30cm.) rulers. Colors may vary.

Grades 1 & up. Ideal tools to explore shapes, sizes and the relationships between area and volume. Explore and compare volume using any wet or dry material. Removable base and stopper for easy filling. Set includes 15 pieces.

These quality, tear-resistant, fiberglass tape measures are calibrated vertically in cm . The other side is calibrated horizontally in inches. 150 cm/60". Set of 10.

3 years & up. Make counting and matching colors more fun with plastic bears in 3 sizes and 4 colors. 1-1 1/2" tall. 80 bears: 20 papas, 20 mamas, and 40 babies.

Grades K & up. Easy wind-up tapes are marked in inches and feet on one side and millimeters and centimeters on the other. Removable handle for increased control. Durable casing for years of use. 33 ft./10m.

Grades 1 & up. Wide mouths for easy measuring. Set of 5 unbreakable plastic beakers nests together for easy storage. Includes 50 ml, 100 ml, 250 ml, 600 ml and 1 liter measures.

Grades 3 & up. Add accuracy to chemistry projects, cooking projects, and more. Learn about weights and mathematical accuracy in measurements. This sleek quality balance is made of high-impact plastic features built-in weight case with Snap-Tight™ lid, 10 brass weights, 2" deep removable pans and zero adjustment knob. Total capacity of 2,000g with +/- 0.5g accuracy.