Child's Counter Stool
This is my version of a popular IKEA hack.
The frame is 1 x 1 1/2 Poplar joined with pocket screws. The top frame is removable for low-profile storage. The black knobs screw into t-nuts inserted into the bottom of the stool top before fixing it to the stool base.
Safety Note: Due to the high center-of-gravity, this MUST be used with the back against a sturdy object to avoid tipping as the child reaches out or leans forward.