ðə lˈɛɡoʊ kˈʌmpəni, lˈɛd baɪ ˈoʊl kˈɜːk kɹˈɪstɪˌænsən, ˌɪntɹədˈuːst plˈæstɪk tˈɔɪz ɐlˈɔŋsaɪd ðɛɹ ɛɡzˈɪstɪŋ wˈʊdən tˈɔɪ lˈaɪn ɪn nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi nˈaɪn ˈæftɚ pˈɜːtʃɪsɪŋ wˈʌn ʌvðə fˈɜːst ɪndʒˈɛkʃən mˈoʊldɪŋ məʃˈiːnz ɪn nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi sˈɛvən.
The Lego company, led by Ole Kirk Christiansen, introduced plastic toys alongside their existing wooden toy line in 1949 after purchasing one of the first injection moulding machines in 1947.