Companies that make laptops for 10-year-old kids are Asus, Acer and Lenovo, notes PC magazine. The price of the laptops vary from $200 to $600, as of 2015.
Asus makes a laptop called Asus Transformer Book T100TA (64GB). It's lightweight weighing only about 3 lbs. and the battery can last for about 11 hours.
Acer has two laptops for kids: the Acer C7 Chromebook (C710-2055) and the Acer C720 Chromebook (C720-2800). The C7 Chromebook weighs slightly more than 3 lbs. and has a 320 GB storage capacity. The C720 Chromebook weighs about 3 lbs. with a battery that lasts about 6 hours.
Lenovo has the Lenovo IdeaPad N581. It weighs almost 6 lbs. and has a battery that lasts 4 1/2 hours.