Marbles: You can download it for free:

Free - Download Marbles

*Explore all models on Skecthfab: Explore all models

Mesh information:

- Subdivision-ready models

- Lowpoly models (Wooden blocks, wooden train and Tower of Hanoi)

- UV unwrapped 

- World scale

*Wooden castle blocks:

- 13 blocks variations (Triangle, Cylinder, Cube, Rectangle, Arch, Semicircle)

- Color can be changed on material shader

*Wooden Train

- 3 Train

*Pencil:

- 6 Variations

- 12 colors

*Tower of Hanoi

- 6 disks

*Marbles

- 5 variations

Texture Information:

- Train texture size:  2048x2048 and 4096x4096

- Wooden blocks texture size: 2048x2048

- Pencils texture size: 2048x2048

- Tower of hanoi texture size: 2048x2048 and 4096x4096

- Marbles texture size: 1024x1024 (Cateye: 512x512)

- PNG format