This Book is a Planetarium __small Four different commemorative covers (randomly

Four different commemorative covers (randomly distributed) showcase the intricate cybernetic drawings of toy inventor

a small chipper to help set them in place

This nifty puzzle box harkens back to a rich tradition of secret boxes made in the misty mountains of Japan

A page of answers with the routes through the mazes and other solutions is included at the end of the book

This Book is a Planetarium __small Four different commemorative covers (randomlyIn this unique interactive book, each turn of the page reveals a different, lo fi but fully functional paper gadget. You'll find a constellation projecting planetarium, a strummable musical instrument, a geometric drawing generator, a perpetual calendar, a message encryptor decoder, and a speaker that amplifies sound. By reducing familiar devices down to just paper, this book shows that a lot can be done with very little. Because each pop up