Kitchen tower, kitchen learning tower with 3 height levels – Sweet HOME from wood
Guidecraft Classic Kitchen Helper® Stool - White with 2 keepers and Non-Slip Mat: Foldable, Adjustable Height Safety Cooking Tower for Toddlers with Chalkboard and Whiteboard Message Boards - Walmart.com
Toddler Kitchen Helper - Kitchen Stool - Great Little Trading Co.
HOMCOM 2-in-1 Kids Kitchen Helper Step Stool, Detachable Toddler Table and Chair Set, Children Standing Tower for Kitchen Counter with Safety Rail Chalkboard, White | Aosom Canada
How to build a Toddler Kitchen Stool (lots of photos) - Learn Along with Me