Aquazone / Hydronauts LEGO Instructions
Set Number 6159 - Crystal Detector
Set Number: 
Just want to say the biggest thank you to you. We tried hard to keep all our instructions but a number were lost. Now, 15 years later we are trying to reconstruct. We were about to give up on a few of the kits before finding your wonderful site. 
Cheers, Gill and Ian
