Yvanela Publishing - Bestie Knows —STEM Cipher Detective Books (Ages 9–13)

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Bestie Knows: Why Do I Smell Funky? A detective mystery about your own body. Secret Code Activity Book for Kids 8–12 (PDF)

$9.99

Bestie Knows: Why Are Farts Soooo Loud?: A Detective Mystery Activity Book for Kids 9-13 with 29 Cipher Puzzles and Real Body Science. Secret Code Activity Book for Kids 8–12 (PDF)

$9.99

Can You Remember Your Dreams? A Detective Mystery for kids 9-13: 29 Puzzles, 4 Ciphers, and the Real Brain Cells That Erase Your Dreams Every Single Night. Secret Code Activity Book for Kids 8–12 (PDF)

$9.99

Can You Tickle Yourself? A Detective Mystery for Kids 9-13: Cipher Puzzles, Word Scrambles, Funny Real Brain Science. Secret Code Activity Book for Kids 8–12 (PDF)

$9.99

Bestie Knows Free Cipher Pack

Free

Free Cipher & Decoding Activities - Secret Codes & Puzzles for the Classroom (Grades 3-8)

Free