Shark archpelago island help!!!!!!

[foxy]

I do not now what to do? I relly try but i can get it? I have 4 green turtle shell and 3 blue turtle shell and i have a valve. What I must to do next? I put the pink diamant on the middle statue and nothing happend! What i must do? I how i can learn to swim?
PLEASE HELP ME!!!! Im stuck here in i cant go to the next island!

PLease,please please

Thanks!!!!!!!

[ShadowX]

To use the device (with the travel stone), bring your scout near it and click on the device. You will be transported to a second island.

[chefbuddies]

How do you do the colorful balls puzzle on the dirty island?