Build a whole bunch with your favorite TINKERTOY parts! The TINKERTOY 100 Piece Essential building set features the most familiar TINKERTOY parts including spools, rods, flags, washers end caps and more. Set is perfect for first-time builders and comes with a colorful instruction sheet that features building tips and ideas. Package doubles as a sturdy, storage box complete with a lid for portability. Available fall 2013.