Wonderfoam Big Letters Social Studies The 141 piece set of Georgian The 141 piece set of Playstix allows you to build a wide variety of planes and vehicles right out of the box with the included specialized parts which prevent them from slipping and protect the floorFive "hilltops" in different height will inspire children to jump from top to topHilltops develop children's ability to estimate distances and make them familiar with heightsHilltops are made so that they cannot over turn Includes 26 piecesAssorted sizes and colorsEasy to trace for art projects and easy to handle for little hands It's more fun than ever learning the alphabet with this set of WonderFoam® Big Letters