Open Question: computer games of the 90’s: a car on the moon? a 6th grader game about a mysterious island? freddie fish?

when i was little i played these three games, and now for nostalgia purposes i want to know what the are.
one was about a car who gets sent to the moon on a firework and he has to find all the pieces to get back. i think he was purple and has a dog with him.
the second was a 6th grade game about some kids who get stuck on a island and have to figure out what’s going on, there were settlers and some magic stuff and the kids had this PDA thing that you could use to track money and your adventure and stuff.
the last one is a freddie fish game, but you had the find the missing conch, but i’m not sure what is’s called (i might just be the case of the missing (or stolen) conch, but when i’m not really sure).

they’re all educational games, btw.
if you know the names of any, thanks!

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