Exhibit 23.0 CONSENT OF INDEPENDENT ACCOUNTANTS ---------------------------------- We hereby consent to the incorporation by reference in each of the nine Registration Statements on Form S-8 (No. 33-14717, No. 33-51454, No. 33- 34920, No. 33-57082, No. 33-62185, No. 333-01061, No. 333-03385, No. 333- 47459 and No. 333-47461) and in the Prospectus constituting part of the Registration Statement on Form S-3 (No. 333-38625) of Mattel, Inc. and its subsidiaries of our report dated February 2, 1998, which appears in this Annual Report to Shareholders which is incorporated by reference in this Annual Report on Form 10-K. We also consent to the incorporation by reference of our report on the Financial Statement Schedule, which appears in this Annual Report on Form 10-K. /s/ PRICE WATERHOUSE LLP - ------------------------ Los Angeles, California March 18, 1998