Twist & Lock blocks are slightly addictive, for anyone but they are actually a great toy for children with Autistic Spectrum Disorders & ADHD. The blocks allow for fiddling fingers leaving the mind to focus or simply to clear. The beauty of Twist & Lock blocks is that, unlike so many modern toys, there's no prescription, no rules, they can become whatever you want, or just nothing at all.
Each Twist & Lock block is around18 cm long, you won't be able to design architectural phenomena with them, but you will be able to fiddle around & chill out.
Size: 18 cm approx
Age: Little hands might be a little too enthusiasticbut these are pretty sturdy, let's say from 3 + years to be safe!