Stimulate your brain while exercising your core in the comfort & privacy of your own home. Taking the boredom out of exercise the Core Fitness Trainer uses sequences of flashing lights on buttons that you have to reach up & touch to extinguish. Simply choose your exercise mode (sit ups lunges press ups plank squats & down ups) then set your choice of programme (Quick Start Reaction Knock-out T-reps & T-time) & try to beat the lights. Extremely motivational the fitness trainer clocks up your score on the digital screen challenging you to do better & better every time. Height adjustable Weighs 3.7kg. 10 flashing lights. Requires 4 x AA batteries (not included).