First off, let me say that the GuangWei 5PCS Fishing Lures Kit is a pretty solid set for the price. I've used these lures in both freshwater and saltwater, and they perform decently well. The action is realistic, and they do attract fish like trout, bass, and even some toothy saltwater species.
One thing I love about this kit is the variety. You get five different lures, each with a unique color pattern, which means you can switch things up depending on the conditions or the type of fish you're targeting. The durability is also impressive—these lures can take a beating and still hold up.
However, there are a few downsides. The factory-rigged hooks and split rings are fine for freshwater fishing, but if you're going after stronger saltwater species, you'll need to upgrade them. I swapped mine out for heavy-duty trebles and rings, and it made a world of difference. Also, some of the color patterns (like the orange belly on the blue sardine) look a bit unnatural. A quick spray paint job fixed that for me.
Overall, this is a great starter kit or gift for anglers, but be prepared to make some adjustments if you're fishing in tougher conditions.