Our wooden baby gyms are made of smooth, sanded wood. They ship unassembled with wood legs, hanging dowel, two ropes, and two wooden knobs. No tools required for assembly. Dimensions Wooden play gym is 24 inches high, 24 inches long, 12 inches wide when open and standing. The wood hanging bar stands approximately 16 inches off the ground when open and standing. The bar is 1 inch in diameter. Instructions The gym ships unassembled. When you're setting up your gym, you can simply tie some of your favorite baby toys around the hanging bar or slide them on before you attach the legs to both sides of the hanging bar. Safety Do not leave children unattended while under or around the gym or baby gym toys.