Advantages unique, sturdy, helps motor skills and spatial awareness
Disadvantages cost - a bit fiddly at times
We bought this Ben 10 Alien Force 108 piece Puzzleball for our son last Christmas which brings a whole new dimension to your basic puzzle in that it builds to a sphere, turning puzzling into a 3D experiences. The sphere measures 14cms in diameter (or 5.5 inches) and comes with a base on which to stand it once it is completed. It is made by Ravensburger and is part of a series of junior puzzles and costs around £16. I believe you can get smaller sphere puzzles containing 60 or 96 pieces. The puzzle pieces are made of sturdy plastic as opposed to wood and are all slightly curved. This is ...