Target offers the LeapFrog Mobile Med Kit for $8.79. Opt for in-store pickup to dodge the $6.47 shipping charge. That's the lowest price we could find by $7, outside of the price below. It features an ambulance with siren button to launch medical missions, sing-along songs, stethoscope, otoscope, thermometer, and syringe character tools.
A close price: Amazon charges $9.09 with free shipping for Prime members.