The Aquafarm costs about $60, depending on what promotions they have running at the time. For that price, I think it's a definite buy if you have any interest in gardening or aquaponics. It's also a great gift for a garden lover.
However, students who attend lower-ranked schools can still take a rigorous curriculum. Wherever you go to school, it's important to take the most advanced courses available and to take advantage of elective credits to strengthen your engineering education.
Engineers have to work within the laws of physics, and frequently have to analyze scientific data. You'll need several science classes, and courses in physics are particularly important. If you're working in industrial engineering or biological engineering, you'll also have to take courses in chemistry. You'll have to take additional classes based upon your specialty.