Flexible Flyer Snow Fort Building Block, Sand Castle Mold, Beach Toy Brick Form BUILD GIANT CASTLES - Quickly construct sand castles, snow forts, igloos, walls and more. Plastic mold makes easy-to-stack rectangular building bricks from sand and snow SAND & SNOW - Build giant beach sand castles in summer and snow forts in the winter with this building block set LARGE BRICK SIZE - Big blocks reduces the time to build grand structures -- mold is 10 x 5 x 7 inches. Top handle makes it easy to grab and flip HEAVY DUTY - This sand castle brick is designed with enough flex to release perfect sand and snow bricks. Yet sturdy enough for years of beach and winter play CHILD SAFE - Made in the USA with non-toxic finishes and child safe materials. Sand castle building tools for ages 3 years and up. Weighs 0.8 lbs