Product Description: 1、Outside dimension/㎝:42×42×10 2、Inside a set of testing tools: 1 stopwatch, 5 tennis balls 303P, 5 large wooden squares, 6 each of medium and small wooden squares, 5 medium balls, 6 wooden round boards, 6 pieces of human leather cloth, 6 pieces of metal rounds, 6 glass balls, and 6 pieces of steel sticks; 3、It is suitable for objective testing of upper limb ability and movement speed.