In the Modify menu, choose Create New Object.
Drag-and-drop it into the code space, then rename it Hat
In the Shapes menu, choose Box.
Drag-and-drop it into the code space, and connect it underneath your Create New Object block.
Click the 〉 arrow at the end of the Add box block, to see more options.
Edit the first two numbers, labelled W and L, to change the width and length of the box.
From the Modify menu, find the Move block. Add it underneath your shape.
Changing X will move it left and right. Z will move it above the other shapes, to make it 3D.
The number you should change is Y, to move it to the top of the body.
Run your code to check it.
Repeat these steps with a second box, to make a hat shape.
From the Modify menu, find Create Group. Add it to the bottom of your code.
Change the colour to match the body, so you know this object is also finished.