This LEGO set is designed for kids aged 5 and up, featuring a turquoise and orange go-kart and two race car driver minifigures. It include an interactive guide that allows kids to zoom in and rotate models in 3D, track building progress, and explore and save virtual playsets in the LEGO Builder app. Price drops from $9.99 to $7.99. Shipping is free over $35 or free for Prime members.