Maybe one of these similar products would be of interest:-
14 inch Electric Bike 350W Folding E-bike City Adult 36V 10.4AH E-Mini Bicycle
VARUN Fat Tire E Bikes Peak 750W 48V 13AH 26 Inch Electric Mountain Bike
TOTEM 27.5" Electric Bicycle 48V 11.6AH E bike All-Terrain E-MTB Trekking Bike
Totem Electric Bike E-Bike Ebike 250W 16Ah 26in for Adults 20 mph Long Range
NEW Kid's 16 Inch Electric Balance Bike 36v 3 Speed " Stacyc Style " 16 edrive