Put the magic of Hogwarts™ lessons in the hands of your young wizard, witch or Muggle™ with the LEGO® Harry Potter™ Chomping Monster Book of Monsters building toy (76449). The fun fantasy set features a detailed brick-built recreation of The Monster Book of Monsters, the sentient textbook used in the care of magical creatures. The model has hidden wheels and a pull-back function – so place it on a flat surface, pull back, let it go and watch it speed away with its mouth chomping.