Every construction needs building materials or items necessary to complete a quest, to get them from neighbors press the "Ask" button, you can also buy them for gems or exchange for Lucky certificates.Some building materials you can Craft.
1. The lucky certificates can drop from the Mini-Games:
Lucky Wheel
Pinata
Post Office
Shooting Range
Magic pine tree;
2. They are rewards for crafting in certain buildings:
“Cachalotto’s”
“Cattini’s Little Italy” Pizzeria
Dairy Farm
Farmer’s Garden
Forest Station
Spinnery with Pasture
Summer Kitchen (Chef Pigletti)
Weather Station;
3. They drop as a possible reward
Camping Adventures Level 5
Dolphinarium Level 5
Nature Reserve Level 5
The Swamp Level 5
4. Collections
Champion Fisherman’s Collection
Deep Forest Collection
Dolphinarium Visitor’s Collection
Fire Rooster Collection
Garden Gnomes Collection
Lifeguard Collection
Witchcraft Collection
Figure-Skating collection
Island collection
They are also a possible drop from the music box which is a reward from the Good Listener’s Collection and Blue Bird.
ATTENTION! If you build 2 constructions at the same time, please, note that the items received from neighbors are used for that construction you began to build at first.