The Catit Senses 2.0 Grass Planter includes several major design upgrades in comparison to the old Grass Garden Kit: a deeper bowl that holds the optimal amount of soil, and added drainage holes to help prevent over-watering and root rot.Unlike other pots, the Catit Senses 2.0 Grass Planter is difficult to knock over due to its low and stable design.For use with the Catit Cat Grass Kit (sold separately).Visit catit.com for more information.