Amazon offers Prime members the Wilton Trim-N-Turn Ultra Cake Turntable
, model no. 307-301, for $16.99
with free shipping
. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $7.08.) That's the lowest total price we could find by $3. It features a 12" removable platform, 3" non-slip base, soft-grip ring, and smooth-rolling track.