The new, exciting and challenging elements of the Build N' Balance set can be combined in countless ways, inspiring children to set up balance courses and landscapes of their own. The system has great flexibility that allows the difficulty to be caried for different developmental level. It can be built at heights ranging from 4" to 9.5" depending on how brave the child is. The set includes 3 red pieces, 2 yellow pieces, and 5 planks.