TRAIN BUILDING - Drag and Drop Interactive

Instructions: Click on the cars and drag them into the correct order. The background will change from yellow to green when you have them in the correct order.

Click on:

• the green ball to go to the next example,
• the yellow ball to try the same example again, and
• the red ball to go back to the previous screen.
• Use the F11 button to toggle the screen to full size.