Hey, this thing moves unpredictably (just like prey in the wild)! Push it, pull it, swat it, jump on it, and bite it and it still just rolls out of the way and then rolls right back. If you push the top completely down to the ground, it will stay there until you slightly move it; then it returns to the upright position, ready for more action.
Available in (2) sizes. Food-grade Polyethylene and UV protected, of course.
The internal ballast is mechanically attached to the interior with molded-in hardware.
Note: While the internal ballast has been very well secured with molded-in hardware, there is always the possibility that it could be damaged by unforeseen circumstances. Please exercise caution when allowing strong or aggressive animals to interact with this item. Remove at the first sign of damage.