Quick video outlining the differences between these two fun to fly budget mini glider planes from WLTOYS/XK
(1) Link for a800 https://www.banggood.com/XKA8004CH...
(2) WLTOYS F959/a700 https://www.banggood.com/WltoysF959...
(3) If your budget can stretch a bit further, then the big brother of these gliders XK A1200 is the one to get https://www.banggood.com/XKA12003D6...