Marble Run Building Blocks is a free physics-based puzzle game developed by assistbamboowing for Android devices. The game allows you to stack, break, roll, and play with a variety of blocks and sliders. With 17 types and 8 colors of blocks and sliders, you can build structures as you wish. You can save up to 3 data automatically, and it's okay to accidentally break your creation as you can easily go back and start over.

In addition to stacking blocks, you can also enjoy rolling balls with slider blocks. The game allows you to stack up to 5 blocks at once with the button, and you can easily rotate and zoom in/out the camera with touch operation. Finally, the game features an explosion mode where you can destroy your creation. The best part is that there are no in-app purchases, and you can enjoy all the functions for free.

Overall, Marble Run Building Blocks is a fun and creative game that challenges your problem-solving skills. The game is easy to learn, but it can be tricky to master. If you enjoy physics-based puzzles, then this game is definitely worth a try.