Clever Wheel / Baby carriages

The invention of C.W.P. is to help the mothers better, on the escalator, simply by pressing the drop-down bar, the wheels can be retracted, shorten the distance between the front and rear wheels , let the pram to stand at a step. As to the baby’s dining, mother doesn’t need to transfer the baby to the dining chair or bend over to feed the baby. Only through the wheels retracting, the baby seat will rise, which can let the baby achieve the proper dining height.