Try this FUN and NO PREP unplugged coding Valentine’s Day theme activity using the Binary Alphabet to solve candy heart puzzles and make Binary Code Valentine's cards! These engaging worksheets and craft were designed as a fun way to combine unplugged coding, problem solving, and SEL skills. Perfect for grades 3–5, and can be adapted for grade 2 for enrichment. This resource introduces students to binary code with no technology required. Students use a binary alphabet to write out ch