I suspected as much efficiency and robustness for the price (under 10) and appearance gadget, but after a few months of use I am delighted. It is used to pick up the crumbs on the table cloth in the kitchen and for this purpose it is perfect. No need to remove the mats, table mats etc. after each meal to shake the tablecloth. And my 3 year old son loves to pass obviously. The batteries (AA standard) does not last very long if you use it a lot but just put rechargeable batteries. It must be empty (and clean the filter) regularly enough because it does not have a large capacity but it is quick ...