Grade 3
The Core Knowledge Foundation Bookstore will be closed beginning at 3 pm ET on Thursday, December 18th, 2025 for the holidays and maintenance. We will reopen on Thursday, January 8th, 2026 at 8 am ET. The online bookstore will be unavailable during this timeframe, and no orders will be taken via phone or email.
Showing 49–60 of 77 results
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Classroom SetHuman Senses and Movement: CKSci Classroom Set
$258.70 Read more -
Classroom SetInvestigating Forces: CKSci Classroom Set
$258.70 Read more -
Classroom SetLife Cycles, Traits, and Variations: CKSci Classroom Set
$258.70 Read more -
Classroom SetReading About Science: CKSci Classroom Set
$283.70 Read more -
Classroom SetWeather and Climate: CKSci Classroom Set
$258.70 Read more -
Homeschool SetCodes and Computers: CKSci Homeschool Set
$43.90 Read more -
Homeschool SetHabitats and Change: CKSci Homeschool Set
$43.90 Read more -
Homeschool Set
Human Senses and Movement: CKSci Homeschool Set
$43.90 Read more -
Homeschool Set
Investigating Forces: CKSci Homeschool Set
$43.90 Read more -
Homeschool Set
Life Cycles, Traits, and Variations: CKSci Homeschool Set
$43.90 Read more -
Homeschool Set
Reading About Science: CKSci Homeschool Set
$44.90 Read more -
Homeschool Set
Weather and Climate: CKSci Homeschool Set
$43.90 Read more
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