Product Description:
There is an iron block at the bottom bend. It will automatically bounce back when knocked down! No need to hold it by hand, saving the trouble of helping. Four different colors represent different heights. A single one can be used for round-trip jumping. Four can be arranged at equal distances for continuous striding and jumping exercises. It is the best tool for training striding and jumping ability and track and field courses. |
Features:
Adopts tumbler design. No need for teachers to bend over to pick it up. |