32-key children's keyboard plus microphone for $12.49 on Amazon (with promo code)

Amazon has got this 32-key children's keyboard plus microphone priced at $24.99, but enter promo code GRNR4LST at checkout, and that price will drop by 50% to $12.49 with free Prime shipping. 3.6 out of 5 stars over 73 customer reviews.