Solid birch high chair that converts between five seating modes including standard highchair dining chair toddler chair kids stool and building block table to grow with infants from 6 to 36 months. A four-stage removable double tray with cup holder serves meals and flips to a grooved side for building blocks. A wipe-clean dishwasher-safe Pu leather cushion non-slip foot pads and a 5-point safety harness round out a tool-free build that holds up to 33 lbs.