Hints: Unlockables

Here is a list of unlockable items.

Net- Buy at Tom Nook's Shop for 500 bells
Slingshot- Buy at Tom Nook's Shop for 500 bells
Shovel- Buy at Tom Nook's Shop for 500 bells
Timer- Buy at Tom Nook's Shop for 400 bells
Axe- Buy at Tom Nook's Shop for 400 bells
Watering Can- Buy at Tom Nook's Shop for 500 bells
Fishing Rod- Buy at Tom Nook's Shop for 500 bells
Silver Net- Buy at Tom Nook's Shop for 500 bells
Silver Slingshot- Buy at Tom Nook's Shop for 500 bells
Silver Shovel- At 8 pm, go to the city, and sometimes the pylons on the right of the city will be pushed apart. Then if you walk past the pylons you will come to Resetti's house and he will give you it.
Silver Axe- Throw a normal axe into a fountain built in your town.
Silver Fishing Rod- Buy at Tom Nook's Shop for 500 bells
Silver Watering Can- Buy a lot of flowers from Tom nook's shop and you will receive a letter from posy Farm containing it.
Gold Net- Catch all the different kinds of bugs
Gold Slingshot- hit down 7 presents and on the 8th present, there will be a box with 3 balloons attached to it, so you have to hit down all 3 of the balloons and inside will be the gold slingshot.
Gold Shovel- Bury a normal shovel in the ground for 24 hours.
Gold Axe- Throw a normal axe into a fountain built in your town.
Gold Fishing Rod- Catch all the different kinds of fishes.
Gold Watering Can- Get a perfect town for 15 days.

These items are earned by a points system. You’ll earn one point for every 100 bells that you spend in Tom Nook’s store. You’ll unlock these special prizes from those points.

Banana – This unlocks when you are at 500 points.
Bad Bro’stache – This will unlock at the 2,500 point mark.
Kart – Unlocked at the 10,000 point mark.
Yoshi’s Egg – At 1,000 points you’ll unlock this prize.
Triple Shells – This is reached at 800 points.
Toad Hat – Unlocked when you get to 3,000 points.
Midna’s Mask – You’ll unlock this at 6,500 points.
Peach’s Parasol – At 4,000 points you will unlock this prize.
Hero’s Cap, Majora’s Mask, or the Samus Mask – For 6,000 points it’s unlocked.
Hero’s Clothes, Varia Suit, or the Wario Hat – This unlocks at 5,000 points.

For these unlockable items you will need to donate a number of bells into the town fund in the town hall.

Bridge- Donate 200,000 bells.
Fountain- Donate 500,000 bells.
Lighthouse/Windmill- Donate 1,000,000 bells.
Green Feather – Donate 100,000,000 bells.
Blue Feather – Donate 200,000,000 bells.
Yellow Feather – Donate 300,000,000 bells.
Red Feather – Donate 400,000,000 bells.
Purple Feather – Donate 500,000,000 bells.
White Feather – Donate 600,000,000 bells.
Rainbow Feather – You must donate 700,000,000 bells.

House Expansions

Normal House - 19,800 Bells
First Expansion - 120,000 Bells
Second Expansion - 248,000 Bells
Third Expansion - 368,000 Bells
Fourth (Final) Expansion - 598,000 Bells

Unlock Bank Prizes
Deposit the amounts of money listed below into the bank to unlock these feature.

10,000 Bell Deposit - Shopping Card
100,000 Bell Deposit - Box of Tissues
VIP Status (Huge Deposit) - Gold Card