I got a "science kit" a long time ago that came with a bunch of chemicals. what is this stuff?

i got this science kit thing when i was like 9. now im 16. and i remembered it coming with 4 little bottles of chemicals but i didnt remember what they were. so i got bored and i just now got them out of the basement. the bottles contain salt, blue die, shrimp eggs, and eosin. im pretty sure its just a thingy where you can grow baby shrimp. but what the heck is eosin? the cap to the bottle is red. when you look at it it just looks like a red sponge with drops of red liquid stained into the insides of the bottle. from the time that i first got it til right now, i have never opened any of the bottles. and to be honest, im kind of scared to lol. but using these four things (i dont have very much of any of them) how would i grow baby shrimp? is there anything else i could do that would be cool with this stuff? and what the heck is eosin? would the shrimp eggs be dead now since they are like 7 years old? they appear to be in a tiny airtight plastic baggie.