Perplexus Rookie - The Baby of the Perplexus Family Perplexus Rookie will introduce you to the three dimensional, gravity defying world of Perplexus challenges. Flip, twist and turn the sphere to navigate the steel ball along the numbered tracks through 75 barriers of varying difficulty. Perplexus Rookie is easy to play but still challenging to complete. A domed finish keeps the ball in place at the end to secure your success! Fun for the whole family. 6 1/2" in diameter. * Flip, twist and turn the sphere to solve the puzzle * Easy to play but challenging to complete * Improves hand-eye coordination and spatial relations * Develops motor and dexterity skills * Great for travel - no loose pieces