Item is priced for individual piece sales, not as a set. Please see Building Block 4 Piece Set Stress Reliever for 4 piece set pricing. . Complies with ASTM, CCPSA, CPSIA, Prop 65. 3.125" L x 1.125" W x 1.5" H. Price includes a 1 Colour Imprint. Imprint area is 2.5" W x 0.5" H on Side of Single Block. Call for multi-colour or multi-location imprints or for rush delivery availability.