littleBits Code Kit Expansion Pack: Computer Science Offers 9 Bits and 15 Accessories Provides 12+ Hours of Computer Science Content Six scaffolded lessons provide guidance for students and teachers Engages 1-3 Students per Kit Grades: 3-5 The littleBits Code Kit Expansion Pack: Computer Science dives deeper into programming concepts with Code Kit Computer Science Expansion Pack. Six scaffolded lessons provide guidance for students and teachers as they program simple circuits using the new Bits, then create more elaborate interactive inventions, like a digital pet and art displays. Scaffolded lesson plans for grades 3-5 align to Computer Science standards (CSTA) and National Core Arts Standards. Empower students to let their imagination take flight by customizing their inventions with crafts and household items (Note: craft materials not included in the kit) Note: Code Kit is required for Code Kit Expansion Packs