Hour of Code

K - 2 Activities

Each of these activities gives you a quick way to learn how to do new things with ScratchJr .


Type of Activity: Student-Guided or Teacher-Led Activities

Length of Activity: 45-60 minutes

Recommended Ages: K-7

Interface Overview

Printable Commands

Install Scratch Jr


This exciting activity introduces kids to computer science and coding in a fun and easy way!


Type of Activity: Student-Guided or Teacher-Led Activities

Length of Activity: 45-60 minutes

Recommended Ages: K-7


Use blocks-based programming to navigate Fuzzes through mazes.


Type of Activity: Student-Guided, or Teacher-Guided

Language(s): N/A. Requires no reading.

Devices: Computers, Chromebooks, iOS

Length of Activity: 30 minutes to 3+ hours

Recommended Ages: K-2


Educator Resources


Lightbot uses programming logic to solve fun puzzles. Students will learn how to sequence instructions, write procedures, and utilize loops along the way.

Students may play the game in the Browser (requires Flash Player)

or on Android or iOS devices.


Educator Resources

Printable Commands


Type of Activity: Student-Guided

Devices: Computers, Chromebooks, Macs, iOS, Android

Length of Activity: 60 minutes

Recommended Ages: 4+


Students will learn about sequences and loops as they explore Box Island and collect all of the stars!

Type of Activity: Student-Guided

Devices: iOS

Length of Activity: 30 minutes to 120+ minutes

Recommended Ages: 6+



A fun, active game (to be played indoors or outdoors) that helps students understand the computer science concept of conditionals, or "if-then" statements.


  • Type of Activity: Teacher-guided

  • Language(s): N/A. Requires no reading.

  • Devices: None - unplugged

  • Length of Activity: 15 to 30 minutes


Go beyond the Hour of Code with 20 more Technology Projects for Kids

Go Beyond an Hour of Code in GUSD

Students have the option to take computer science in high school. If they are interested in computer science, they can sign up for the Computer Science Academy at Christopher High School. Applications to the academy will be sent out for 8th graders when counselors visit and when students select their elective.

Or if you want to try other Hour of Code Activities at various times throughout the year, try one of the above activities you have not yet completed, check out this hyperdoc, a list Mr. Clark has compiled, or one from the whole Code.org list.