translation.en: Twan Verdonck is really young, I think he's 27, and working together with some psychologist he did a series of toys that are for sensorial stimulation for children that have psychological impairments.
translation.zh: Twan Verdonck非常年轻，我猜他可能也就27岁吧。通过与心理学家合作， 针对有心理缺陷的孩子，他制作出一系列玩具 可以对他们起到知觉刺激作用。