Giant NPCs and Blocks

[Seminesho]

Please I need these giant NPCs:
*Giant Red Koopa
*Giant Snifit

And these giant blocks:
*Giant wood ground
*Giant grey brick block

If you don't have it, can someone explain me how create it?

[RudeGuy]

Try to see here

[Seminesho]

Try to see here

Hey! Just what I needed! Thank you so much!