For its Prime members, Amazon offers the Hot Wheels Apptivity Bone Shaker Vehicle Pack for iPad
, model no. X3152, for $2.99
with free shipping
. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $4.14.) That's the lowest total price we could find by $8. Sales tax is added where applicable. It can be used to play three different games on an iPad via the free Hot Wheels Apptivity app.