Here is the ultimate testament to your granny’s endurance. Yes, it is this wind-up toy, named Zimmer-frame, which can help your granny move faster. Along with providing movement and making living healthy and interesting for your granny, this amazing toy also contribute hugely towards the environment.
It needs no battery or charger or even electricity to let the toy go on running. So, it is not only energy-efficient but also relief the environment of the toxic battery waste landfill.
Via: I want one of those
