They are almost robotic-like when moving. Scorpions have a bad reputation mostly because of movies. The fear of scorpions is overrated.
Scorpions are quiet creatures, only emerging at night to hunt.
They are arachnids, the group that includes spiders etc. The pair of claws at the front of the body are used for catching and manipulating their prey. Some scorpions can be handled, but the general rule is - do not. Scorpions can be purchased at local pet stores. The most common scorpions are the emperor scorpion and the red clawed scorpion.