1.Certificate:CE,TUV,EN1176,GS 2.Material:LLDPE plastic,galvanized pipe 3.anti-UV,safety ... to their home.4. MazeMaterialplastic,wood,galvanized steelCertificationsEN1176,CE,TUV,GS,SASOUsagekindergarten,school,theme park,educational organizations and ectWebsitewww.hldtoy.com ... !we can meet your requiement ! 2012 kids newest multi-functional wooden educational toy