World 2 · Events · Guide 5 of 5Free guide
Find the event bug
The steps are perfect. Nothing happens. The bug is somewhere else.
Meet the block
Some bugs are not in the steps at all. Every block under the hat can be right, in the right order, with the right number — and still nothing moves. That is a bug in the hat. The blocks under it only run when the moment the hat waits for actually arrives.
Wrong arrow, wrong number, wrong hat. The third one is the quiet one — it stops the whole script.
See it work
First, a tap script with no bugs in it at all. The hat waits, the tap arrives, the bee flies.
That is what a working hat looks like — it waits, the moment arrives, the blocks under it run. Now meet a script that waits for a moment that never comes.
Your turn
Now you're the programmer.
Oh no — the bee's program never runs. Can you fix it?
Get the 🐝 to the 🌼. One block is wrong, and it isn't a step.
Your program
Read the bee's program, then imagine tapping the bee. What happens?
Blocks
Go further
Can you break it on purpose?
Swap the 👆 hat back for the 💥 one and press play. The steps under it are still perfect, and the bee still never moves — there is nothing in this garden to bump into. A script listening for the wrong moment is the quietest bug there is.
For grown-ups
When nothing runs at all, the bug is in the trigger, not the steps — the first check every programmer learns to make.
Keep going
Where this goes
Make a game other kids can play
The blocks on this page are a first taste. In a Kubrio project your kid builds a real game — powers, triggers, levels and all — and other kids get to play it.