Minecraft wiki entry for Dropper, associated text: 1 Obtaining
1.1 Crafting
2 Usage
2.1 Container
2.2 Redstone component
2.3 Note Blocks
3 Sounds
3.1 Generic
3.2 Unique
4 Data values
4.1 ID
4.2 Block states
4.3 Block data
5 Video
6 History
7 Issues
8 See also
9 References