Is the Ozark Trail FS.2 Slalom good for beginners?

Yes. It is a reasonable first mountain bike for green and blue trails, with full suspension and disc brakes that are forgiving for new riders. It is not built for jumps or steep downhill runs.

Is full suspension worth it on a budget bike?

It adds comfort on rough ground, but budget rear shocks are hard to tune and add weight. If you mostly ride smooth paths, a hardtail at the same tier will climb and pedal better.

What size rider does it fit?

It is an adult unisex bike, and sizing depends on the frame size offered at the store. Check the standover height and reach against your height before buying, since options are limited.

Can it handle jumps and downhill trails?

No. The frame, suspension and components are aimed at light trail use. Aggressive downhill riding and jumps put more stress on the bike than it is designed for.

What comes in the box?

It ships as a complete bike that needs partial assembly, typically front wheel, handlebar, pedals and seat. A basic tool set and a check of brakes and shifting are needed before the first ride.

How does it compare with a hardtail at the same level?

It gives a smoother ride on rough ground, but a comparable hardtail is lighter, climbs better and usually has better components. Choose the FS.2 if comfort matters more than efficiency.