Pressing Down explores the benefits and uses of the lever. RobbO and RobbEE learn how a lever can be formed in three different ways to do different kinds of work - lift and lower, separate, and open. More →

Ella is trying to decide who to invite over to play. This fun book helps teach children the concept of probability. Simple activities performed by Ella help children understand how likely it… More →

Earth's surface is constantly being changed by heat, water, ice, salt, plants, and animals. Sometimes the changes are destructive to human activities such as farming and the building of… More →

This book tells the story of Pteranodon. During the late Cretaceous period, between 89 and 80 million years ago, one of the largest flying reptiles to exist flew in the skies. Its large… More →

Pulling Up explores the benefits and uses of the pulley. This clever device uses rope wound over a grooved wheel to help lift heavy loads. RobbO and RobbEE use a pulley to remove the engine… More →

Dress like a king or queen, twirl your gragger, and make some noise - Purim is here! One of the happiest Jewish holidays on the calendar, this springtime holiday is celebrated with costume… More →

We measure time in minutes, hours, days, weeks, months, seasons, years, and in historical dates. We talk about mealtimes, bedtimes, school times, holiday times, and good times. We also use… More →

Almost every shape can be found in nature! The sun, moon, and Earth are circles and spheres. The wings of butterflies contain triangles, the cells of honeybees are hexagons, and the hood of… More →

This fun book is about animal behavior. It challenges students to guess what animals are doing and why. Topics include camouflage and mimicry, color changes, migration, animal senses and… More →

Some patterns are visual; other patterns are events that repeat at a certain time or in certain places. Children will learn about patterns that are predictable events such as day and night,… More →