critter chasing dog

Garden Railroading
1

critter going forward:

http://www.youtube.com/watch?v=RK60uJZKUoE

critter going backwards:

http://www.youtube.com/watch?v=0cqniqtTmPg

critter chasing hound:

http://www.youtube.com/watch?v=xa0ZpVZZf3g

2

Nice work.

3

Very cool!

4

[#ditto]

5

Very cool and funny!