PigBangbang,Wooden Cartoon Jigsaw Puzzles for Baby Early Intelligence Toys.30-Piece-Zebra 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. 30 pieces wooden jigsaw puzzles suitable for all ages. This educational kids puzzle comes packaged in a sturdy wooden tray for play and easy storage. Can be used for casual games to exercise their own,also perfect for travel.