Create a new Scratch project and delete the cat.

Show: Scratch: How to create a new project

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Go to the Scratch website using the link below and click on the 'Create' link in the blue bar at the top.

By default, each new project starts with the cat sprite already added. To delete the cat click on the x in the blue circle beside the cat in the sprite list.

https://scratch.mit.edu

Save the maze picture in this step to your computer and upload it into Scratch as a new sprite. Once it appears, drag it into the center of the stage area.

Show: Scratch: How to upload a sprite

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You can upload images and sprite files into your project. To upload a sprite follow these steps:

1. First save the image or sprite file onto your computer. You do this by right clicking on the image or link and then selecting 'Save image/link as...'.
2. Choose a location on your computer such as your desktop and save the file.
3. In your Scratch project, put your mouse over the Choose a Sprite button.
4. Click on the 'Upload Sprite' button.
5. Go to the folder you saved your file.
6. Select the file and click 'Open'.

The new sprite will upload into your project and appear in the stage area.

Add the 'Beetle' sprite from the sprite library.

Drag the beetle to the start of the maze (the gap at the left of the maze).

Show: Scratch: How to add a sprite from the library

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To add a sprite from the sprite library follow these steps:

1. Put your mouse over the Choose a Sprite button
2. Click on the magnifying glass
3. Find the sprite you want in the library
4. Click on your chosen sprite

You can use search box or the filter links (Animals, People, Fantasy etc) to locate your sprite.

As the beetle sprite is too big to fit through the corridors of our maze, we'll need to shrink it down. We also want to position the beetle at the start of the maze when we start the game, so we'll use a 'go to x [] y []' block to do this. Add the following code to the beetle:

when green flag clicked set size to (15) % go to x [0] y [0] //set these so the beetle appears at the start of the maze

The values for x and y will already be filled in for where your beetle is (at the start of the maze) so there's no need to change them.

Next we'll program the up, down, left and right arrow keys on your keyboard to move the beetle. Each of these keys will point the beetle in the appropriate direction and make it move 10 steps.

We're going to program the up arrow first and then duplicate and change this code for the down, left and right keys.

when [up arrow v] key pressed point in direction (0) move (10) steps when [down arrow v] key pressed point in direction (180) move (10) steps when [left arrow v] key pressed point in direction (-90) move (10) steps when [right arrow v] key pressed point in direction (90) move (10) steps

Once you have all of the arrow keys programmed, click the green flag and then test each arrow key to see if it moves the beetle in the right direction. If any of them are not working, check the code for that arrow to make sure it's correct.