Guidecraft Notch Block Set, Set of 89 WED7_J3RHV72

Set is ideal for both indoor and outdoor applications. Each block is made of FSC certified eucalyptus wood that weathers to a soft gray if left outdoors. Smallest block measures 6 in x 3 in and largest block measures 30 in x 3 in. Blocks are provided with smooth sanded edges and notches that lock together to form big structures and offer unlimited building possibilities.