Sofie has noticed that some of her friends do not throw out their rubbish after lunch.

Sofie thinks if the rubbish bin were more interesting, her friends might remember to throw out their rubbish.

Build the rubbish-eating monster for Sofie. It will make throwing out the rubbish more fun.

Here is your challenge: create the program that makes the rubbish-eating monster react to the blue ‘rubbish’.

Create the program. It makes the rubbish-eating monster react to the blue ‘rubbish’.

Test your program.

Upgrade the program to react to different-coloured ‘rubbish’.

Design your own improved rubbish-eating monster.