Here are some selections for children and adults.  The first one  is one of their most popular because of its excellent quality and timeless style. This bunk bed, which combines a standard twin over a full-size bed, is one of the most practical and versatile pieces. The larger, lower bed is ideal for an older sibling or overnight guest. When no longer needed as bunks, the two beds separate to become stand-alone beds.

The bunk bed is beautifully built with tongue and groove joinery. It features their exclusive Sun Valley finish, applied in a multi-step process that replicates the warm character of age and leaves the wood with the patina of a family heirloom.
The second one is  a Alexander Tent Twin Loft Bed with Slide.  Perfect for the little camper in your life.
The third one is for an adult, shipping is free, and  usually ships in 5-7 business days.