STEP 15: We need to be able to change the value of score and lives when the car collides with specific sprites.

• Drag Collision with Shape to the bottom of your program and assign the event to car in the event handler.
• Drag Global Variable to the top the event, ABOVE the if statement, and change the variable name to score.
• Drag another Global Variable to the line right below score. Change the variable name to lives.

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