Super Mario Maker: Unlocks a Sonic-based character for Costume Mario; the character resembles Sonic's 16-bit sprite from the first Sonic the Hedgehog for the Sega Genesis. Sound effects and music are derives from the game, though the end of level music is from Sonic the Hedgehog 3 and Knuckles.
They can be completely on solid food by 7 weeks of age. (Caring for Newborn Kittens for the recipe for kitten gruel.) Malnutrition is not uncommon in orphans. Speak with your veterinarian regarding the kittens' diet. For the first 10 days, weigh the kittens daily at the same time to monitor their weight gain. Then 3-4 times a week for another 10 days. The common first sign of illness is lack of weight gain or weight loss. Each kitten should gain 50-100 grams per week. By 14 days of age, the birth weights should be doubled. In general, if the kittens are not gaining weight, they need more food. If the kittens develop diarrhea, they may be overfed.
1 At about three to four weeks old, they can be offered milk replacer from a bowl and then small amounts of moistened kitten food four to six times a day.  Kittens from six to 12 weeks old should be fed four times a day as you gradually decrease their access to milk replacer.