Kamikara Penguin POP! Action Paper Craft kit by Haruki Nakamura https://www.amazon.com/dp/B077JGWRH8/ref=cm_sw_r_cp_api_i_4zmnCbQSCH7NQ
After some searching, I found a site where you can buy these ($10 US, plus shipping).
Edit: Same price on Amazon, but eligible for free Prime shipping.
$8 cheaper on Amazon. Kamikara Penguin POP! Action Paper Craft kit by Haruki Nakamura https://www.amazon.com/dp/B077JGWRH8/ref=cm_sw_r_cp_api_i_BeqnCbQWSM04S
Appears to be called Kamikara Penguin POP! Action Paper Craft kit by Haruki Nakamura
I found it on Amazon
Found the source! It’s called a Penguin Bomb or Kamikara Penguin Pop.
I think its this? Kamikara Penguin POP