Play-Doh
From Tardis Wiki, the free Doctor Who reference
Play-Doh, (COMIC: A Groatsworth of Wit) or play-dough, (PROSE: A Worthy Successor) was a dough-like toy. (COMIC: A Groatsworth of Wit, PROSE: A Worthy Successor)
The Play-Doh Mop Top Hair Shop was a Play-Doh set. (COMIC: A Groatsworth of Wit)
When Abigail — a formerly-deceased werewolf — became the host of the Cyberon and found herself confronted by it in her mind, the process looked like play-dough. (PROSE: A Worthy Successor)