2 Sets Texas Instruments Classroom Calculators & Caddies 20 ct TI-15 & TI-30Xa. Includes 1 complete set of TI-15 with Math Sleeves, Covers & Caddy. Also Includes 1 Caddy set that has 9 TI-15 Calculators and 1 TI-30Xa Calculator. The TI-30Xa Calculator doesn't go with that set, and is a substitution for the missing TI-15. All have covers and work as shown in photos. This set doesnt have all the math sleeves. Will ship fast and with care!