Fairy Slingshot

The is an item in.

Location and Uses
The Fairy Slingshot is found Inside the Deku Tree. While Link is a child, the Fairy Slingshot serves as his only projectile weapon, replaced by the Bow in adulthood. It fires Deku Seeds, which are commonly found by cutting grass or defeating enemies. The Fairy Slingshot must be used for many tasks to aid Link on his quest, including defeating enemies such as Skulltulas and shooting far away Switches.

(Himekawa)
Rather than Link obtaining the Slingshot from Inside the Deku Tree in the, he creates it himself to obtain fruit from Trees.