Both of these appear to be on Amazon! Using Smile links below for that charity $$$.

Mosasaurus: https://smile.amazon.com/Jurassic-World-Mosasaurus-Jumbo-Float/dp/B07CW36671

T-Rex Head: https://smile.amazon.com/Jurassic-World-Open-Mouth-Float/dp/B07CK6LMHF