The Robot Scrap Chests are ancient metallic chests with a golden and blue coloration, light blue highlights, and red locks.
In Sonic Boom: Rise of Lyric, the Robot Scrap Chests are scattered throughout each level and hub world (except for River Rush and Undersea Bolt). When attacked, they will open and release large amounts of Robot Scrap that is automatically picked up by the playable characters. Sometimes though, they may also award the player with Rings. When first visiting a level, each Robot Scrap Chest will be highlighted in blue, but during subsequent visits to the level, the previously collected Robot Scrap Chests will no longer be highlighted. However, the player can still get Robot Scrap from them.
There are a certain number of Robot Scrap Chests located in each area; some are quite easy to spot whereas some are found in hard-to-reach locations. There are a total of 178 Robot Scrap Chests to be found in the game.
List of Robot Scrap Chests per Level
|Cliff's Excavation Site||20|
|Abandoned Research Facility||16|
|Lyric's Weapon Facility||17|
|Ocean Purification Plant||12|