What do you want to achieve? I want to make something that will improve my skill in modelling
What is the issue? I have absolutely no idea what to make
What solutions have you tried so far? I searched on google but haven’t found any ideas that sparked my interest
summary of post: I just want ideas on what to model
Hmm how about a GFX maybe?
Maybe a Gun?
A banana?
Pile of money?
An awesome looking car?
A random UGC hat?
Make your own UGC hat?
Anything?
Trees?
Nature?
Ok now I ran out of ideas 
Hope you found them helpful!
flower
tree
old-style car
pencil
roblox toy
paper pile
mouse (not the animal)
flushed emoji but it’s realistic 
teddy
carpet
bin
book
keyboard
chocolate bar
ruler
COP 357 Derringer
potato
sandwich
bell
donut
cool anime hair
box
fence
blocky cow
car with huge wheels
lego baseplate
grenade
zombie head
That’s it if I keep writing I probably die
You may want to look into doing some research on your own or looking at some previous discussed threads related to Need ideas?
I suggest modelling something you enjoy creating whether it’s some nature assets, weapons, complex models or something you would like to improve on whatever you’re interested in.
There are many great places to start, it depends on what interested you maybe create a few assets to sharpen your skill level - I’m still improving along the way. If you can’t find the inspiration you’re looking for try viewing on Pinterest - Dribble/Polycount any other sources do help as well. After all this is for practice;
https://www.reddit.com/r/blender/comments/bzhg2p/i_honestly_dont_know_what_to_model/
Being obsessed with firearms myself I’d suggest a rifle! If you’re not good at realistic modeling, a low poly gun? Good practice