My daughter started her teething process at the age of 4 months. And buy the time she reached 5 I was trying just about anything to help soothe her gums. I remember that my now 6yr old daughter had a vibrating one similar to this and LOVED it. So, I went to BRU and lucked up when I saw that they had one. My baby girl loves this too. Its actually her favorite thing to chew on (besides my phone and remote controls...lol). — — *Bonus* I just went and pulled out my 6yr old vibrating teether and IT STILL VIBRATES after all these… read full review »