Ravensburger Puzzle Dream Cars! 100pc How to Measure Your PD (Pupillary Distance) Updated With Selectspecs Printable Pupillary Distance Ruler How to Measure Pupillary Distance (PD) Yesglasses. Ravensburger Puzzle Dream Cars! 100 pc 100 piece Large Format Puzzles from Ravensburger feature larger pieces with solutions for puzzlers both young and old in mind. Whether you are new to puzzling, an avid puzzler with limited time, or a puzzler who needs pieces that are easier to hold or see, Ravensburgers 100 piece Large Format Puzzles are the perfect fit for you! Specifics: Box Size: 34 x 23 x 4 cm Finished Size: 49 36 cm Piece Count: 100 Age Range: 6+ Ravensburger puzzles are designed to be a positive experience. Following with tradition, Ravensburger puzzle dies are completely hand made from the grid design to the bending and forming of our steel tools; creating a perfect interlocking fit with no tearing or dust. No two pieces are ever the same shape! Extra thick cardboard pieces mean your puzzle will last for years and our fine, linen structured paper eliminates glare so you can really see the details. Ravensburger, bringing families together since 1891.