It is odd to rate the 'educational' value of this toy. It won't make your kid do calculus. But our baby started playing with this toy when he was about 12 weeks old. He was born 6 weeks premature, but because of his interest in this toy he developed two-handed play (an early developmental milestone) well ahead of time.
I could see that perhaps an older child might not find this engaging enough, but our son still enjoys playing with it and chewing on it now as a 7 month old.
The slim flexible bands make this much easier for early grasping than many things sold as rattles, which are too fat for young, small, clumsy hands to grasp.
The rattle sound is not so loud as to be deafening or obnoxious
It can be refrigerated for teething. Again, the slim rings fit into his small mouth so much better than many of the large bulky teethers. He has a teether that he cant yet grasp and manipulate for himself because it is so bulky. Plus,...