Tupperware’s fun tumbler designs for kids.
There are 2 main themes with different setting, the city and forest. 
The initial sketch.
The base color created in Illustrator to maintain the object’s sharpness and after that followed by digital painting in Photoshop to add the dimension.
Digital dummy for reference, using the product’s photo and edited in photoshop.
One of the final products.
Here are some unused alternatives:
Illustrator 