Toy high abacus wooden doll desk desk

Adorable sarah kay wooden toy from the 70s/80s. The high chair turns into a small desk on wheels. Just open the red hook at the back and it folds in half using small iron hinges. It is in good use (the right armrest seems to have been changed but solid and it is almost not noticeable, we took care of it). Honey color. Its dimensions: The base of the feet is 27.5l X 27.5p - the seat is 24l X 17.5p - the flap and abacus 30p X 25.5l - the back 29.5h X 22l - the total height 76 - desk chair 49 h X 29l X 43p.