EXHIBIT 23.1 Consent of Independent Public Accountants We consent to the incorporation by reference in this registration statement on Form S-8 pertaining to the Zany Brainy, Inc. 1993 Stock Incentive Plan, the Amended and Restated 1998 Equity Compensation Plan, the Rosa Aukburg Stock Option Agreement and the Nick Egelanian Non-Qualified Stock Option Agreement of our report dated March 5, 1999 appearing in the prospectus dated June 2, 1999 included in the registration statement on Form S-1 (Registration No. 333-74719) of Zany Brainy, Inc. filed with the Securities and Exchange Commission and to all references to our Firm included in this Registration Statement. /s/ ARTHUR ANDERSEN LLP Philadelphia, Pennsylvania July 15, 1999