One verse

Srimad Bhagavatam 3.10.27

3.10.27

वैकृतास्रय एवैते देवसर्गश्च सत्तम । वैकारिकस्तु य: प्रोक्त: कौमारस्तूभयात्मक: ॥ २७ ॥

vaikrtas traya evaite deva-sargas ca sattama vaikarikas tu yah proktah kaumaras tubhayatmakah

vaikrtah
creations of Brahma
trayah
three kinds
eva
certainly
ete
all these
deva-sargah
appearance of the demigods
ca
also
sattama
O good Vidura
vaikarikah
creation of demigods by nature
tu
but
yah
which
proktah
described before
kaumarah
the four Kumaras
tu
but
ubhaya-atmakah
both ways (namely vaikrta and prakrta).

O good Vidura, these last three creations and the creation of demigods (the tenth creation) are vaikrta creations, which are different from the previously described prakrta (natural) creations. The appearance of the Kumaras is both.