Discover hidden worlds : pull the tabs to discover the hidden wonders of nature! /
Sacks, Janet,1947-author.
Sokell, Nicola,designer.
Smith, Jan,1956-illustrator.
Tomblin, Gill,illustrator.
With acetate inserts between pages that cause the colour of some of the images to change when the tab is pulled.
Title from cover.
"A magic skeleton book".
Nature
Toy and movable books