Measurement

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.

4 years & up. Introduce mass comparison with this simple see-saw balance made of 2- piece molded plastic. A visually engaging and tactile way to introduce mass and measurement. Includes 10 weight-related Three Bear Counters and a multilingual activity guide. Balance arm snaps into place, and sliding compensator clips calibrate for easy use. Measures 15 3/4" x 4" x 4 1/4".

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.

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.

12" Wooden Rulers with standard inch measurements.

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

4 years & up. 2 to 4 players can learn visual estimation, size perception, measuring skills, matching skills and use the custom ruler to find out if their character is the tallest. With 30 different pieces to choose from you can create a different character every time you play.

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.

3 years & up. Kids learn to count bugs and compare numbers with the colorful bug inspired manipulatives. Reinforce counting, sorting and patterning with this set of 72 counts in 6 different shapes and colors. Critters come in 6 different shapes and colors, representing bugs familiar to young children. Includes an activity guide. Critters measure between 1 1/4" high and 2" long. Includes 72 counters.

PreK & up. Develop understanding of number concepts, basic number facts, number recognition, and subitizing. Activities include recognizing numbers, addition, subtraction, and writing numbers. Ten Frames can be used in many ways. Modeling with the frames, for example, can guide whole class instruction, or activities can be used more interactively with the students in smaller groups. Centers can be established with frames being used to solve assigned problems. This set is a great hands-on tool… More »

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).

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.

PreK & up. Includes 72 squishy and colorful worms in six colors and four sizes, 1", 2", 3", and 4". Teacher's guide included.