Electro Core Block

Description
Electro Core Blocks are decorative Blocks that emit a strong colored light.

Source
They are very difficult to obtain as they only appear during the Electrical Storm special event. During the event the block is used to emit a light that helps you find the objectives of which there are three. It is not necessary for the event objective, but you can mine the 3 blocks and use them as you please.

Crafting
Not craftable.