The balancing coral allows children to arrange in 3 different ways, horiontally, vertically and diagonally for advance level providing opportunity for children to think and  decide how they want to play.
Balancing game helps children to develop thinking and problem solving skill.  Children needs to plan how to stack the coral as high as they can using balancing technique and also will have to estimate the distance and angle to balance the weight.  Besides having fun, this will help to stimulate eye hand coordination 
Children can play with others and create their own rule helping them to learn, to respect the rules of the games and also develop social skill.