Spark Filter

Spark Filter
If placed on a path, Sparks can only pass this sign if they match the type of Spark shown on the sign. If they do not match, they will continue walking.
Details
Footprint
Storage slots	1 (1 Spark only)
Quest to unlock	Path Add-Ons - 3

The Spark Filter will only allow Sparks of the same type as the one stored on the Filter to pass through, it will block their path otherwise.

If the Spark Filter is empty, it won't have any effect.

Building Costs

Spark Filter
3 x Wooden Panel
Must be built on a flat path