This intricate, winding Galt Marble Run Construction Set is a stimulating and challenging way to create a fun structure. The various colorful plastic pieces connect and pull apart for easy construction. Build columns, chutes, curves and home bases for the marbles to roll to. The 30-pc. set includes 6 chutes, 6 curves, 9 tubes, 3 bases and 6 marbles. For ages 4 to 8 years. Imported.