The Bones Book And Skeleton 玩具认知书：骨骼

Now,thiseducationalclassichasbeenupdatedwithadditionalcontentandrepackagedtogiveitafresh,bold,contemporarylookandformthatmakesitmucheasiertoshelveanddisplay.The12-inch,24-pieceskeletonisrealisticallydesignedwithmovingjoints,andcanbedisplayedinitsclearplasticbelljar.Thebookispackedwithprojects,experiments,andfactsaboutallthesystemsofthehumanbody.Thefocus,ofcourse,isonthebones—whattheyaremadeof,howtheygrow,howtheywork.Newisanexpandedsectiononpaleontologyandfossilremainsincorporatingthelatestnewsfromthefield,includingthenewlydiscoveredhobbit-sizedhumansfromthelastIceAge.Thisisagreatgiftforeverykid,onethattrulybringssciencetolife.