Drove 3 hours to a different state to go to IKEA. Finally bought the MALM bed frame and didn't know we needed wooden slats. Our old bed thing ended up fitting perfectly!
SLÄKT Bed frame with slatted bed base, white, Twin - IKEA
Ikea MALM Bed frame assembly with 4 storage boxes White/luröy - YouTube
SLÄKT Ext bed frame with slatted bed base, white/birch, 381/4x743/4" - IKEA