Crates:
Crate - Accelator (11x)
Crate - Champion 2 (2x)
Crate - Champion 4 (2x)
Crate - Elevation (13x)
Crate - Ferocity (15x)
Crate - Impact (11x)
Crate - Nitro (8x)
Crate - Overdrive (9x)
Crate - Players Choice (22x)
Crate - Secret Santa (1x)
Crate - Totally Awesome (9x)
Crate - Triumph (10x)
Crate - Velocity (9x)
Crate - Victory (17x)
Crate - Zephyr (14x)
Decryptor (4x)
Golden Eggs (2x)

Cars:
Playmaker (Octane ZSR)
Takumi RX-T
Tachtician (X-Devil MK2)

Have more things like tires/decals etc. Just too much to post so I'm starting here.

Golden Eggs (2x)
Crate - Totally Awesome (9x)
Crate - Champion 2 (2x)
Crate - Champion 4 (2x)
Crate - Triumph (10x)

200fg

Using Rocketleaguevalues.com and adding in ratios,
Eggs (1.83 of a key) - 110 fg per
Totally awesome crates (.1 of a key) - 7 fg per
Champion 2 crates (.15 of a key) - 11 fg per
Champion 4 crates (.35 of a key) - 24 fg per
Triumph (.07 of a key) - 3 fg per
= 383 total so if you go to 300 they're yours lmk

Decryptor (4x)

i dont think you can trade these can you?

Awww you're right i thought they were regular keys lol