Solar Flower Ruby Ripple Thames & Kosmos single player mystery game ISBN-13 ‏ : ‎ 978-0762469543

ISBN-13 ‏ : ‎ 978-0762469543

Concentration

Grab your suitcase and escape into the thrilling world of puzzles

22 connectors

Ruby serves as a delightful reminder to whisper the age-old phrase

Solar Flower Ruby Ripple Thames & Kosmos single player mystery game ISBN-13 ‏ : ‎ 978-0762469543Build this beautiful kinetic sculpture, a motorized flower model with moving petals, powered by a solar panel. Learn about mechanical systems like motors and planetary gears, and about how solar cells generate electricity to power the flower. An ingenious design allows all petals to rotate synchronously, driven by a single motor, resulting in a mesmerizing optical illusion effect. This flower will never wilt, and you will never run out of batteries;