What possibly could be dangerous about such a harmless and educational toy? Especially when it is endorsed by the much beloved and respected TV show? It even is responsible enough to have a choke hazard warning sticker, as it contains many small parts.
What it failed to notice or mention is the powder used for dusting for fingerprints, contained high levels of Tremolite. This is a type of asbestos that can cause cancer and some very nasty disabling chest diseases. The product was hurriedly recalled and the manufacturer went bankrupt over the whole fiasco.