Build a whole bunch with your favorite TINKERTOY parts!;100 essential TINKERTOY pieces; spools, rods, flags, washers, end caps, and more!;Instruction sheet with building tips and ideas;Sturdy box for storage and portability;Recommended for builders ages 3+

• Tinkertoy Essentials Value Set (150-Piece)

Tinkertoy Essentials Value Set (150-Piece)K'NEX