It is easy to assemble, with no tools required. The specially designed bat handles for added comfort during use. The baseball tee is adjustable. The height adjustment is from 62cm to 88cm. Easy twist and lock height. And the sturdy X- base design adds the stability. The training T-ball set is lightweight and portable. It can be brought on the go to the field, the backyard, or anywhere else to practice the skills and for the endless fun of baseball. Warning! Choking hazard. Contains small parts. Not suitable for children under 3 years. Caution! Care must be taken when unpacking and assembling this product due to small parts and packing materials. Recommended for ages 5+