Maybe one of these similar products would be of interest:-

Multifunction Rowing Machine Monitor Screen Training Durable for Home Device

Fun and Fitness for Kids - Multifunction Rowing Machine , for 3-8 Boys Girls

Convenient Multifunction Rowing Machine Counter Speedometer for Fitness Goals

Multifunction Rowing Machine Bearing Wheel Sports for Household Gym Devices

Multifunction Rowing Machine Bearing Wheel Trainer Gear Sports Strength Training