Amazon has the LEGO 71360 Super Mario Adventures with Mario Starter Course Building Kit for $48 with free shipping.
Target has it for the same price. Buy $50 in eligible LEGO sets and get a $10 Target Gift Card. RedCard holders (sign up) get an additional 5% off in cart.
The 231-piece set has a color sensor, plus LCD screens in Mario’s eyes, mouth and belly to display over 100 different instant reactions to movement. It also includes a speaker with iconic video game sounds and music.