Only one block is provided in the sky or skyblock, you must be able to survive with only one block. When you destroy the block, you will get some resources to make foundations such as wood, soil, and others. You can also explore some of the one block skyblock islands that you will encounter later to get additional resources there. You have to be careful because there are still challenges such as spiders, skeletons and zombies there

DISCLAIMER
This is an unofficial application for Minecraft Pocket Edition. This application is not affiliated in any way with Mojang AB. The Minecraft Name, the Minecraft Brand and the Minecraft Assets are all property of Mojang AB or their respectful owner. All rights reserved. In accordance with http://account.mojang.com/documents/brand_guidelines.