Star Student Builder logoStar Student Builder
๐Ÿ’ป Code Master

Learn to code โ€” and make something of your own

Coding in school, Std by Std. Tap blocks or type real commands, and watch your program draw, move and play. It all runs inside this page: no installing, no internet needed.

๐ŸŽจ Open the playground ๐Ÿฑ Scratch projects ๐ŸŽฎ Coding games
๐Ÿข First StepsStd 1-2๐Ÿงฉ Block BuildersStd 3-5โš™๏ธ Code MakersStd 6-8๐Ÿš€ Young DevelopersStd 9-12
Lesson 1

Steps and Angles

A turn is measured in degrees, and the size of the turn decides the shape.

Start โ†’
Lesson 2

Loops Save Work

A loop repeats work, so one line can do the job of twenty.

Start โ†’
Lesson 3

A Loop Inside a Loop

Putting one loop inside another turns a simple shape into a pattern.

Start โ†’
Lesson 4

Pen, Colour and Fill

The pen has settings: a colour, a width, up or down, and fill on or off.

Start โ†’
Lesson 5

Make Your Own Block

You can teach the turtle a brand new command and give it any name you like.

Start โ†’
Lesson 6

Find the Bug

A bug is a mistake in the code, and finding it is a normal part of coding.

Start โ†’

๐ŸŒŸ Make your own

Project

Rangoli Maker

Make a rangoli that turns all the way around one centre point. Choose a shape, choose how many times it repeats, and keep changing the turn until the pattern closes perfectly. Remember that the turns must add up to 360.

Build it โ†’
Project

Name Art

Turn your name into a piece of art. Write one block for a shape you like, then use that block again and again to spell or decorate your name. Give the block a name that says what it draws.

Build it โ†’

๐ŸŽฎ Games for Std 3-5

Mazepar 8

Around the Block

a loop saves lines: repeat 6 [ forward 1 ] instead of six lines

Play โ†’
Mazepar 4

Collect Three

a loop can repeat more than one action, not just walking

Play โ†’
Mazepar 5

Staircase

spotting a repeated pattern turns a long program into one short loop

Play โ†’
Bug hunt

Triangle Trouble

A triangle with three equal sides.

Fix it โ†’
Bug hunt

Missing Bracket

A square with sides of 80.

Fix it โ†’
Drawโ˜…โ˜…

Five-Pointed Star

Draw this shape: a star with five points, drawn without lifting the pen.

Draw it โ†’
Drawโ˜…โ˜…

Sun With Rays

Draw this picture: a round sun in the middle with twelve rays around it.

Draw it โ†’
Ask GuruAcharya Samayeshwar