Donate the indicated number of Bells to the Town Fund at Town Hall to unlock the corresponding item or structure.

Unlockable	How to Unlock
Blue Feather	200,000,000 Bells
Bridge is built	200,000 Bells
Fountain is built	500,000 Bells
Green Feather	100,000,000 Bells
Purple Feather	500,000,000 Bells
Rainbow Feather	700,000,000 Bells
Red Feather	400,000,000 Bells
White Feather	600,000,000 Bells
Windmill or lighthouse is built	1,000,000 Bells
Yellow Feather	300,000,000 Bells