Araneus trifolium
(Shamrock Orb-weaver)

Hi. no,these spiders are not dangerous at all. Looks like Araneus diadematus, one of the orb weavers. No known how old your children are, they get like 5, they may be prone to play with these without incident. In the remote event of a bite, these are not as dangerous as a bee. Allergies to venomous stings and bites would be cause for concern. You grab these in the hand, trap them against the skin(literately harming the spider) picking them up by a leg, that may provoke them to bite. they are docile and passive spiders unless you are an… Read more »