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Gyroidite Scavenger Hunt 21 (Harmony) is an event held in-game from Jun. 22, 2020 to Jun. 29, 2020 that featured special furniture and clothes themed around a harmony theme which players could obtain through crafting.

Most of the items required an event-specific crafting material, the Bebop Gyroidite which was obtained via the player finding the gyroidites on the ground and collecting them, by fulfilling requests for villagers at the campsite and receiving gyroidites as a reward, and occasionally as a featured reward through Shovelstrike Quarry.

Gyroidite Spawns

The gyroidites could potentially spawn at the Market Place, OK Motors, Breezy Hollow, Lost Lure Creek, Saltwater Shores, and Sunburst Island.

Non-spawn locations are Campsite, Garden, Camper, and Cabin.

There can be a maximum of 18 gyroidites spawned on the map at the same time.
New gyroidites re-spawn approximately every 4 minutes, regardless of where the player is on the map and whether the game is open vs closed.
If the player opens the game in the Campsite and travels to one of the four recreation spots (Breezy Hollow, Lost Lure Creek, Saltwater Shores, or Sunburst Island) first, it's possible to collect more than 10 gyroidites at that first location.

Event Challenges

These were timed goals which lasted the entire duration of the event part which rewarded Bells, and Leaf Tickets. The Event Challenges (Timed Goals) are as follows:

Event Goal Set

Set Reward	Set Goal
x 1	Complete 3 out of 5 of these goals
x 3	Complete 5 out of 5 of these goals

Reward	Goal
x 1	Collect some Bebop Gyroidite.
x 1	Collect some Bebop Gyroidite 5 times.
x 1	Collect some Bebop Gyroidite 10 times.
x 1	Collect some Bebop Gyroidite 15 times.
x 1	Collect some Bebop Gyroidite 25 times.

Event Goal Set

Set Reward	Set Goal
x 1	Complete 3 out of 5 of these goals
x 3	Complete 5 out of 5 of these goals

Reward	Goal
x 1	Collect some Bebop Gyroidite 30 times.
x 1	Collect some Bebop Gyroidite 40 times.
x 1	Collect some Bebop Gyroidite 55 times.
x 1	Collect some Bebop Gyroidite 70 times.
x 1	Collect some Bebop Gyroidite 90 times.

Event Goal Set

Set Reward	Set Goal
x 1	Complete 3 out of 5 of these goals
x 3	Complete 5 out of 5 of these goals

Reward	Goal
x 1	Collect some Bebop Gyroidite 100 times.
x 1	Collect some Bebop Gyroidite 120 times.
x 1	Collect some Bebop Gyroidite 150 times.
x 1	Collect some Bebop Gyroidite 200 times.
x 1	Collect some Bebop Gyroidite 250 times.

Event Goal Set

Set Reward	Set Goal
x 1	Complete 3 out of 5 of these goals
x 3	Complete 5 out of 5 of these goals

Reward	Goal
x 1	Collect some Bebop Gyroidite 300 times.
x 1	Craft a Do Melody Button Do Melody Button Material Cost 50 Bebop Gyroidite Bell Cost 1200 Bells Craft Time 5 Hour(s) .
x 1	Craft a Re Melody Button Re Melody Button Material Cost 50 Bebop Gyroidite Bell Cost 1200 Bells Craft Time 5 Hour(s) .
x 1	Craft a Mi Melody Button Mi Melody Button Material Cost 50 Bebop Gyroidite Bell Cost 1200 Bells Craft Time 5 Hour(s) .
x 1	Craft a Fa Melody Button Fa Melody Button Material Cost 50 Bebop Gyroidite Bell Cost 1200 Bells Craft Time 5 Hour(s) .

Event Goal Set

Set Reward	Set Goal
x 1	Complete 3 out of 5 of these goals
x 3	Complete 5 out of 5 of these goals

Reward	Goal
x 2	Craft a So Melody Button So Melody Button Material Cost 50 Bebop Gyroidite Bell Cost 1200 Bells Craft Time 5 Hour(s) .
x 2	Craft a La Melody Button La Melody Button Material Cost 50 Bebop Gyroidite Bell Cost 1200 Bells Craft Time 5 Hour(s) .
x 2	Craft a Ti Melody Button Ti Melody Button Material Cost 50 Bebop Gyroidite Bell Cost 1200 Bells Craft Time 5 Hour(s) .
x 2	Craft a High Do Melody Button High Do Melody Button Material Cost 50 Bebop Gyroidite Bell Cost 1200 Bells Craft Time 5 Hour(s) .
x 2	Craft a Big Treble Clef Big Treble Clef Material Cost 300 Bebop Gyroidite Bell Cost 7200 Bells Craft Time 24 Hour(s) .

Event Item Rewards

Furniture

Name	Material Cost	Bell Cost	Craft Time	Sells For
Sheet-Music Screen	150 Leaf Ticket	0 Bells	0 Seconds	700 Bells
Big Treble Clef	300 Bebop Gyroidite	7200 Bells	24 Hour(s)	1600 Bells
Do Melody Button	50 Bebop Gyroidite	1200 Bells	5 Hour(s)	400 Bells
Fa Melody Button	50 Bebop Gyroidite	1200 Bells	5 Hour(s)	400 Bells
High Do Melody Button	50 Bebop Gyroidite	1200 Bells	5 Hour(s)	400 Bells
La Melody Button	50 Bebop Gyroidite	1200 Bells	5 Hour(s)	400 Bells
Mi Melody Button	50 Bebop Gyroidite	1200 Bells	5 Hour(s)	400 Bells
Re Melody Button	50 Bebop Gyroidite	1200 Bells	5 Hour(s)	400 Bells
So Melody Button	50 Bebop Gyroidite	1200 Bells	5 Hour(s)	400 Bells
Ti Melody Button	50 Bebop Gyroidite	1200 Bells	5 Hour(s)	400 Bells