▁Later , ▁Cr and all ▁entered ▁into ▁a ▁contract ▁with ▁Orange ▁Jud d ▁and ▁Company ▁naming ▁them ▁sales ▁agents ▁for ▁his ▁blocks . ▁ ▁Other ▁block ▁designs ▁included : ▁Mas qu erade ▁Block s , ▁which ▁advert ised ▁ 3 0 0 ▁different ▁pictures ▁Expression ▁Block s , ▁dec ades ▁later ▁to ▁be ▁known ▁as ▁" Change able ▁Charlie " ▁ability ▁to ▁alter ▁expressions ▁by ▁turning ▁one ▁or ▁more ▁blocks ▁over ▁Section al ▁Block s , ▁each ▁block ▁containing ▁a ▁part ▁of ▁a ▁letter ▁and ▁all ▁blocks ▁would ▁display ▁the ▁alphabet ▁when ▁completed ▁Ill umin ated ▁P ict orial ▁Al phabet , ▁tout ed ▁as ▁water proof , ▁non - to xic ▁and ▁dur able ▁No ah ' s ▁Dom ino es , ▁dom ino ▁mark ings ▁on ▁one ▁side ▁with ▁half ▁an ▁animal ▁printed ▁on ▁paper ▁and ▁past ed ▁on ▁the ▁other ▁side ▁ ▁Cr and all ' s ▁ac rob ats ▁ ▁By ▁adopt ing ▁from ▁his ▁inter lock ing ▁blocks , ▁Cr and all ▁hit ▁upon ▁the ▁idea ▁of ▁joining ▁body ▁parts ▁such ▁as ▁arms ▁and ▁legs ▁and ▁fitting ▁them ▁onto ▁horses ▁or ▁tra pe zes . ▁ ▁The ▁American ▁Agricult ur ist ▁( owned ▁by ▁Orange ▁Jud d ▁and ▁Co .) ▁in ▁its ▁November ▁ 1 8 7 4 ▁issue ▁advert ised ▁" The ▁manufact ur ers ▁are ▁now ▁making ▁and ▁s elling ▁ 1 5 0 0 ▁boxes ▁a ▁day ". ▁By ▁ 1 8 7 5 , ▁Cr and all ' s ▁factory ▁building ▁had ▁grown ▁to