Rube Goldberg Machine

Paper airplane

https://www.cgtrader.com/free-3d-models/aircraft/other/low-poly-paper-airplanes

Dominos

I made them.

Bee (ball)

I made the texture.

Bee

https://www.cgtrader.com/free-3d-models/animals/insect/bee-cartoon-3d-model

Winter boots

https://www.cgtrader.com/free-3d-models/character/clothing/shoes-43073e01-8ab8-465c-8861-702048ba54ad

Marble Hinge

I made it.

Angel Statue

https://www.cgtrader.com/free-3d-models/character/woman/lucy-angel-88de263ac0768d0e245029464fc62bf4

Skeleton

https://www.cgtrader.com/free-3d-models/character/anatomy/low-poly-anatomic-skeleton