How do you destroy walls behind your house?

Question

How can I destroy the blocks I placed to create the 'back wall' behind my house?

Answer 1

Walls "behind" the scenery can be removed using a hammer.

Here are the different hammers currently known with the required materials to craft them :

• Wooden Hammer : 8x Wood 2 Damage, Very slow speed, 25% Hammer Power
• Copper Hammer : 10x Copper bar, 3x wood 4 Damage, Very Slow speed, 35% Hammer Power
• Iron Hammer : 10x Iron Bar 3x Wood 7 Damage, Slow speed, 45% more Hammer Power
• Gold Hammer : 10x Gold Bar 3x Wood 9 Damage, Slow speed, 55% Hammer Power
• Meteorite Hamaxe : 35x Meteorite Bar 20 Damage, Slow speed, 60% Hammer Power, 20% Axe Power

Answer 2

When you start the game you have a copper pick and axe right? Well if your house is underground you can't destroy the dirt behind it but if your house is up top just use a hammer :) After making one :P