With instructions on how to build 35 unique models for open building fun, this K'NEX 521-Piece Super Value Construction Toy Tub is a great introduction to the world of K'NEX! Not only is it a convenient storage tub for your favorite K'NEX pieces, but it also includes 521 rod and connector pieces to play with, all made in the U.S.A. Build bikes, racers, helicopters and more with the K'NEX 521-Piece Super Value Construction Toy Tub! Recommended for ages 7 and up.
Entertainment Earth, Inc. markets and sells products, including children's products, for
purchase by adults 18 years and over. If any product you are ordering is intended for a
child please assume all of the following warnings may apply to that product:
WARNING: CHOKING HAZARD-Small parts. Not for children under 3 years.