This Play System has all the basics of a great play system without the high costs. The Play System has a ocean climber, sea creature climber, a double slide, a gear panel, bench panel and a rain wheel to keep the kids active during play. The elements of the Los Arboles come together to make for an enjoyable experience for the kids. The 3.5-inch upright posts are designed for mounting in-ground. Kids will enjoy everything the Los Arboles structure has to offer. The high quality materials, low price, and easy assembly will persuade adults.