Crib is a SNIGLAR: https://www.ikea.com/us/en/catalog/products/50248541/
Mattress is a Soybean: https://www.amazon.com/Sealy-Soybean-Foam-Core-Toddler-Mattress/dp/B001N4LE5M?sa-no-redirect=1

Only lightly used — we used it as an alternative crib for napping at grandma/grandpa's house. I drilled new mounts into the SNIGLAR to make it more stable.

Also available separately for:

• $30 crib (new is $80)
• $80 mattress (new is $145)