Seasoned moms!! Any must haves for 4months up to 1 yr!!

M
Hubby and I are wrapping up our amazon registry, and we wanted to add some must haves for later, not just 0-3month. We are going to do our final online purchase soon and get our 15% off. Baby is 4 months. Any must haves for the next 8 - 12 months?? Teething, toys, potty items etc...thank you!!!