trying to find movie

Hi film fanatics,

I am trying to find a movie from the 80’s, I am not sure if this movie would be good today or even bearable but I remember enjoying it as a kid.

The following clues –

Its was released in the 80’s

Involves three young teenagers –

They find or make a time machine that looks like a huge dish washer…

I am pretty sure that the film has the word THUNDER in the title or there is a character/machine called THUNDER.

I would be grateful if someone out there could help me with this one 🙂

UPDATED NOW I HAVE FOUND IT ….

EXPLORES – 1985

Movie Dr