Block
The Blockheads world is made of blocks. Your Blockhead can rearrange the blocks to change the world.
To place a block select the desired block in the inventory then tap the place on the screen where you want the block.
To remove a block tap on the block you'd like removed. Your Blockhead will travel to the spot and commence deconstruction. The removal process takes more time if your Blockhead isn't using the appropriate tool.
Most of the blocks in the game can be collected by your Blockhead: