i need educational toy wooden cubic blocksSize is 6cm. Follow the natural color. Can i install small parts on them with the stainless steel? Material:WoodType:Block SetStyle:Construction ToyStyle:DIY TOYStyle:Educational ToyStyle:Electronic ToyStyle:MODEL TOYColor:colorful or customized colorSize:Customized SizeMOQ:10 setsSample time:2-5 DaysDelivery time:10-15 daysCertificate:MSDS F963, EN71-3OEM/ODM:AcceptPacking:color box,textile bag,etcFeature:Eco-FreindlyUsage:3-15 years Show More