Remove the front side of the crib. Unscrew the rubber stoppers from the bottom of the drop side(front side), on the left and right posts of the crib. Detach the drop side form the left and right posts of the crib by sliding the guides down until they are below the upper and lower drop side tracks. Slide the drop side off and store it.
Remove the mattress support. Unscrew the bolts supporting it on each corner of the crib. There is one bolt on each corner of the crib. Store the mattress support on a safe location. Store the bolts for future use.
Remove the sides of the crib. Unscrew the bolts located on the top and bottom of each side of the crib (connecting the sides to the back of the crib). Unscrew a total of four bolts. Store the bolts and sides of the crib.
Use the back side of the crib as the head board for the twin bed. Connect the twin bed metal frames to the head board. Secure using bolts if needed.