For this stage, you will rescue the whale 3 times to get the golden crown. Your first method is to dig a hole under the whale using Shovel.

Set 1: Shovel
Set 2: Hoe (Tool)
Set 3: Pick (Tool)

Alternatively, you could use big vehicles, big car, big truck, big plane to push the whale into the beach. Be careful that Maxwell may die if the car goes into the ocean.

you can use a digging tool like a shovel to dig through the sandy beach. Check out our list of how to digging guides.

Scribblenauts Remix 4-5 Cheats Hints gallery:
4-5-1-a: The whale has been beached! Help it back into the water.
4-5-1-b: Dig through the sand with a shovel.
4-5-1-c: Push the whale with a bulldozer.