15 challenges, from Basic to Complex
Each one starts you on an empty canvas with a goal. Tap a challenge to see what to build, then start it in the editor.
- Ask the user for their name.
- Greet them by name.
Blocks you'll use
For example
You type Asha
It shows Hello Asha!
- Ask for two numbers.
- Show their sum.
Blocks you'll use
For example
You type 4, 5
It shows The sum is 9
- Ask how old the user is.
- Tell them how old they'll be next year.
Blocks you'll use
For example
You type 11
It shows Next year you will be 12
- Ask for a number.
- Check whether it's even.
- Show whether it's even or odd.
Blocks you'll use
For example
You type 10
It shows 10 is even
- Ask for the student's mark.
- Check whether the mark is 40 or more.
- Show PASS if it is, FAIL if not.
Blocks you'll use
For example
You type 40
It shows PASS
- Show the numbers 1 to 10, one at a time.
Blocks you'll use
For example
It shows 1234…
- Show every even number from 2 to 20.
Blocks you'll use
For example
It shows 2468…
- Ask the user to name an animal.
- Show its sound: cat says "Meow!", dog says "Woof!", cow says "Moo!".
- For any other animal, say you don't know it.
Blocks you'll use
For example
You type dog
It shows Woof!
- Keep asking for the password until the user types "open sesame".
- Then let them in.
Blocks you'll use
For example
You type hello, please, open sesame
It shows Welcome in! 🎉
- Ask for the bill total and the number of friends.
- Show how much each friend pays, rounded to 2 decimal places.
Blocks you'll use
For example
You type 100, 3
It shows Each friend pays 33.33
- Ask for 3 favourite fruits, one at a time.
- Keep them all in a list.
- Show the whole list at the end.
Blocks you'll use
For example
You type apple, mango, kiwi
It shows You like: apple, mango, kiwi
- Ask for 5 numbers and put them in a list.
- Show the biggest and the smallest.
Blocks you'll use
For example
You type 4, 9, 2, 7, 5
It shows Biggest: 9Smallest: 2
- Ask for a word.
- Count how many vowels (a, e, i, o, u) it has.
- Show the count.
Blocks you'll use
For example
You type banana
It shows banana has 3 vowels
- Go through the numbers 1 to 15.
- Say "Fizz" for multiples of 3 and "Buzz" for multiples of 5.
- Say "FizzBuzz" for multiples of both, and the number itself for the rest.
Blocks you'll use
For example
It shows 12Fizz4…
- Ask 3 times-table questions using random numbers from 1 to 10.
- Say "Correct!" or give the right answer.
- At the end, show the score, like "You scored 2 out of 3".
Blocks you'll use
Stuck? Every challenge has three hints in the editor's Hints tab. The first gives a gentle nudge, and only the last comes close to the answer, so try a little before you peek.