PigBangbang,Wooden Cartoon Jigsaw Puzzles for Baby Early Intelligence Toys 9PC-Train-Plane Very high quality with environmentally basswood sheet,perfect printing layer,vibrant colors. Standard Shipping: usually 10-17 business days after shipped. But there is no such option for us to choose in Amazon's System but "17-28 days". So you will find the Estimated Delivery Date too long. In fact it is not ture. Most of our customers receive their package in 10 - 15 business days.If it is the peak season, the courier may be relatively slow. It will help children to develop the imagination,the growth of their confidence,thinking ability,artistic enlightenment and sensory training. 9 pieces wooden jigsaw puzzles suitable for all ages. This educational kids puzzle comes packaged in a sturdy wooden tray for play and easy storage. Combination with 2 puzzles,more favourable,more convenient for you