... standard 4.Eco-friendly material, DIY educational toys 5.ICTI audit Big Ben cn paper tower ravensburger puzzles 1.Product ... /PCSCertificationEN71,ASTM F963,ISO8124,CE,CCC,GSVModel Dimensions 62.5 x 25 x 47 cm Piece Count116pcsComplexityVery hardContainsPuzzle Sheets ... acceptable.3.Experienced manufactureKey position required workers have over 5 years working experienceto ensure high quality.4.Strict QC ...