To provide a toddler chair, in which a support base provided with a pair of right and left braces and a pair of right and left rear projection bodies can be easily folded so as to be along a pair of right and left support legs.

The front end parts of the rear projection bodies 18 are supported so as to pivot around a spindle 51 in the right-and-left direction at the lower end parts of the pair of right and left support legs 2, a locking shaft 54 in the right-and-left direction is connected between the rear parts of the pair of right and left rear projection bodies 18, and the pair of right and left braces 20 are projected so as to be projected downwards from the middle parts of the pair of right and left support legs 2. The upper end parts of the pair of braces 20 are supported so as to pivot around a support shaft 57 in the right-and-left direction respectively at the middle parts of the pair of support legs 2, hook bodies 60 are supported to pivot around a horizontal shaft 61 so as to be detachably engaged with the locking shaft 54 at the lower end part of the pair of braces 20, and hook energizing members for energizing the pair of hook bodies 60 to the locking shaft 54 around the horizontal shaft 61 are provided.