Tentative pricing has been updated for Novel Keys, the rest will be sometime shortly.
$36 - Arctic Alphas
$43 - Frostbite Alphas
$32 - Beluga
$30 - Colevrak+
$38 - Ergo Modifiers
$23 - French
$63 - Arctic Modifiers
$63 - Arctic Icon Modifiers
$48 - Otter Modifiers
$48 - Frosted Otter Modifiers
$50 - Frosted Otter Icon Modifiers
$50 - Otter Icon Modifiers
$63 - Snowman Modifiers
$63 - Snowman Icon Modifiers
$26 - North
$22 - Arctic Numpad
$22 - Arctic Icon Numpad
$12 - Ice
$22 - Snowball Numpad
$22 - Snowball Icon Numpad
$29 - Spacebar
$15 - Blue Split
Also the frostbite alphas are more expensive due to the need to add some keys for it to make it work with the modifiers out there.