Smartegg the Coolest Logical Game/3d Labyrinth Puzzle/ Great Family Toy/ Fun Brain Game/ Teaser for Boys and Girls to Play/ Free Your Mind Impliment Your Strategy/ Great Gift Idea Jury Grand Prize winner at Nob Yoshigahara Puzzle Design Competition(2012) The newest 3D logic and skill improvement labyrinth toy Improves manual dexterity, logical thinking and spatial vision Improves 3D memeory and inspires the creativity of the players Difficulty level 4 for ages 5 and up