This is the ECCMuseum goal sheet. This is mostly for items of the exhibits, but some heads are also included.
(If there is any item from a group that I missed, please let me know [Specifically ECC Olympics 2017 and Valentine's Day 2017)

Color Guide
Have at least one of this item
Have none of this item

Star Tools
Star Helmet
Star Chestplate
Star Leggings
Star Boots
Star Sword
Star Bow
Star Axe
Star Shield
Star Elytra
Star Rocket
Melon Sword
Eff7 Pickaxe
Eff10 Axe
Star Rod
Star Shovel

Spawn Eggs
Blaze
Cave Spider
Creeper
Elder Guardian
Enderman
Endermite
Evoker
Ghast
Guardian
Husk
Magma Cube
Shulker
Silverfish
Skeleton
Slime
Spider
Stray
Vex
Vindicator
Witch
Wither Skeleton
Zombie
Zombie Pigman
Zombie Villager
Bat
Chicken
Cow
Horse
Donkey
Llama
Mule
Parrot
Zombie Horse
Skeleton Horse
Mooshroom
Ocelot
Pig
Polar Bear
Rabbit
Sheep
Squid
Villager
Wolf
(Blank)

Mojang Heads
Notch
Jeb_
mollstam
carlmanneh
kappe
FruktHamster
Dinnerbone
Grumm
jonkagstrom
Searge_DP
Marc
MinecraftChick
vubui
Bopogamel
C418
LadyAgnes

MidSummer 2016
MidSummer Helmet
MidSummer Chestplate
MidSummer Leggings
MidSummer Boots
MidSummer Nights Dream Sword
MidSummer Nights Dream Bow
The Fires of Hestia
MidSummer Fruitcake
MidSummer Fruit
MidSummer Compass
MidSummer Torch
MidSummer Token

ECC Christmas 2014
ECC Xmas 2014
12 Drummers Drumming
11 Pipers Piping
10 Lords Leaping
09 Ladies Dancing
08 Maids Milking
07 Swans Swimming
06 Geese Laying
05 Gold Rings
04 Calling Birds
03 French Hens
02 Turtle Doves
Pear

ECC Christmas 2015/2016
Camera
Apexmas Axe
Apexmas Pickaxe
Holidays Tune Red
Holidays Tune Green
Happy Holidays Nether Star
Happy Holidays Emerald and Redstone

Wintersday 2017
Winterday Snow globe

Valentine's Day 2017
Rose Bush
Red Tulip
Pink Tulip

ECC Olympics 2017
Gold Medal
Silver Medal
Bronze Medal
End Crystal

Survival Games Boss Armor
Phys' Helmet of Hacking
Jakey's Chestplate of Cheating
Dewsy's Leggings of Luxury
N6's Boots of Butt-kicking

Music Discs
13
cat
blocks
chirp
far
mall
mellohi
stal
strad
ward
11
wait

Star Blocks
Wither Skeleton Skull
End Frame
Spawner
Bedrock

Star Casino
Barrier
Andrewkm Head
KHobbit Head
JamieSinn Head
Structure Barrier
Dragon Egg

 

Added Star Casino Items

 

Used 11 egg keys. Got the following new eggs:
Guardian
Spider
Ghast
Skeleton
Vindicatior (technically)*
Blank egg

*by technically I mean I won it, but it became a blank egg. Vindicator will still be in red for the time being

 

A Star Crate was bought. Obtained the Following:
Star Axe
Eff10 Axe

and another Star Bow

 

Used my 11 remaining egg keys. Got the following new eggs:
Endermite
Evoker
Zombie
Chicken

 

Got the impossible today.
The Xmas 2014 Cake has been finally obtained.

ECC Christmas 2014 is now complete!

 

Another set of egg keys. Here's the new ones:
Blaze
Husk
Magma Slime
Parrot

Only 10 more eggs to go!

 

Opened 40 more keys (20 bought, 20 donated to me). Obtained seven new eggs (with a possible eight coming because of a bug):
Enderman
Shulker
Silverfish
Vindicator (not blank this time)
Donkey
Mule
Rabbit

Possible Zombie Villager

Edit: Zombie Villager confirmed. Thanks Andrew

 

First one to obtain the Wintersday Snowglobe in ECC.

Wintersday 2017
Completed​

List updated

 

Obtained new items:
Star Sword
mollstam
FruktHamster
Searge_DP

List Updated

Planning on getting some very rare items soon ;)

 

I have obtained the ECC Christmas 2015 Camera, one of the rarest items out there (only 10 were made apparently)

ECC Christmas 2015/2016
Completed!
​

List Updated

 

Star Helmet and Shield obtained

 

After almost half a year of searching for and obtaining a MidSummer Bow, it is finally completed. The MidSummer Bow is now in the ECCMuseum!

MidSummer 2016
Completed!
​

List Updated

 

Thanks Erem. It was not easy or cheap