The Wonderland Board

The first part works out OK, but when I get to the transporter part, I get stuck. I cahnge the colour, but after that, what do I do?

Hint wrote:Both transporter go up. Start with purple first

Spoiler wrote:Pop the purple transporter. Rotate it so it points north. Pop it again.
Pop the blue transporter. Collect gems if wanted. Get back to mainland. Rotate the blue transporter so it points north. Step on the blue transporter. Then step on the purple transporter. Rotate the blue once.

Thanks, I was thinking in the right direction, I took the top transporter first.