You can increase the capacity of your rucksack by buying a larger one from the supermarket. The medium rucksack costs 3000G, while the large rucksack costs 5000G.
You can visit the supermarket between 9 AM and 5 PM to buy the rucksack upgrades. You can find it next to the clinic in the middle of the town.
Note: On Tuesdays, Sundays, and during town festivals, the supermarket will be closed.
You have the small rucksack equipped from the start of the game. It has a capacity of three tools and three items.
It makes farming challenging because the small rucksack limits the number of items and tools you can carry.
When you have 3000g, buy the medium rucksack from the supermarket. It’s an improvement over your starting rucksack since it can hold up to five different tools and five items.
The medium rucksack allows you to carry more tools and items. It makes farming less tedious compared to the small rucksack.
You can buy the large rucksack for 5000G one week after you buy the medium one. You can always carry all the essential farming tools in the large rucksack.The large rucksack makes farming easier. Its large capacity can hold up to nine different tools and nine items.