Got my son an Ender-3 V2 Neo for his birthday. First few prints came out great. Last two were like this. Can anyone let me know what I am doing wrong?

Creality Ender 3 V2 NEO - Unboxing & First Print!

Incorrect springs on Ender 3 V2 Neo? : r/ender3v2

Official 3D Printer Creality Ender 3 Neo Upgraded CR

Creality Ender-3 S1 Pro 3D Printer Features 300°C High-Temperature

5 Things I've Learned Since Starting My 3d Printing Journey… with

Ender 3 Neo Series Owners / Ender 3 V2 Neo / Ender 3 Max Neo

First print on Ender 3 V2 NEO : r/FixMyPrint

Official 3D Printer CREALITY Ender 3 v2 Neo New

Over all very happy with the Ender 3 V2 Neo printer from Creality

Creality K1 3D Printer - 600 mm/s High-Speed, Upgraded 0.1 mm