METAL EARTH KEPLER SPACECRAFT
Kepler is a space observatory launched by NASA to discover Earth-size planets orbiting other stars. Named after astronomer Johannes Kepler, the spacecraft was launched on March 7, 2009, into an Earth-trailing heliocentric orbit.
Difficulty: Moderate
Assembled Size: 2.56″L x 1.57″W x 1.38″H (6.5 x 3.99 x 3.51 cm)
Ages: 14+