🧩 CLASS 3–8 · NO TYPING NEEDED · FREE COURSE
Block Coding Jr.
ब्लॉक कोडिंग जूनियर — कोड ब्लॉक जोड़कर डब्बू टिफ़िन रोबोट को पूरे शहर में खाना पहुँचाने में मदद कीजिए।
A playful first coding course for Class 3–8. Kids guide Dabbu, a dabbawala robot, through 20 city levels using drag-and-drop blocks — learning sequences, loops, conditions, functions and variables. Earn up to 3 stars per level for using the fewest blocks, and peek at the real JavaScript behind every program.
- 20lessons
- 20challenges
- 4hto finish
Syllabus
Unit 1: Step by step: sequences क़दम-दर-क़दम: क्रम4 lessons
- Level 1 · First stepsDabbu the robot must walk to the house 🏠 and deliver.1 challenge · 6 min
- Level 2 · Turn the cornerThe house is around the corner.1 challenge · 6 min
- Level 3 · Pick up the tiffinA hot tiffin 🍱 is waiting on the road.1 challenge · 6 min
- Level 4 · Zigzag laneTwo tiffins, two turns.1 challenge · 6 min
Unit 2: Again and again: loops बार-बार: लूप4 lessons
- Level 5 · Marine DriveA long straight road! Instead of 8 “move” blocks, put one “move” inside a “repeat” block and set it to 8..1 challenge · 6 min
- Level 6 · Chawl staircaseThe lane steps down like a staircase.1 challenge · 6 min
- Level 7 · Around the blockThree tiffins wait at three corners of the building.1 challenge · 6 min
- Level 8 · Office lunch rushFive tiffins in a row, one on every square.1 challenge · 6 min
Unit 3: Look before you leap: conditions देखकर चलो: शर्तें4 lessons
- Level 9 · Until you reach homeYou don’t need to count! “repeat until home” keeps going until Dabbu is standing on the house..1 challenge · 6 min
- Level 10 · Is there a tiffin here?Tiffins are scattered along the road.1 challenge · 6 min
- Level 11 · Bhool-bhulaiya laneThis lane curls inward and only ever turns right.1 challenge · 6 min
- Level 12 · Smart turnsNow the lane turns both left and right.1 challenge · 6 min
Unit 4: Teach once, use often: functions एक बार सिखाओ, बार-बार चलाओ: फ़ंक्शन4 lessons
- Level 13 · Teach Dabbu a routeThe road has the same shape twice.1 challenge · 6 min
- Level 14 · Double pickupEvery side of this building has two tiffins.1 challenge · 6 min
- Level 15 · Two staircasesTwo staircases with a flat road in between.1 challenge · 6 min
- Level 16 · Check and carryThree straight roads, tiffins in random spots.1 challenge · 6 min
Unit 5: Boxes that remember: variables याद रखने वाले डिब्बे: वेरिएबल4 lessons
- Level 17 · The steps boxMeet a variable called “steps”.1 challenge · 6 min
- Level 18 · Growing spiralEach side of this spiral is one square longer than the last: 1, 2, 3, 4, 5.1 challenge · 6 min
- Level 19 · Bigger and bigger stepsEach stair is wider than the one before: 1, then 2, then 3 squares across, always one square down..1 challenge · 6 min
- ★ Level 20 · Final: the grand tiffin runFinal project! Six tiffins wait at the corners of a growing spiral.1 challenge · 6 min