K&rsquo;NEX &ndash; 52 Model Building Set &ndash; 618 Pieces &ndash; Ages 7+ Engineering Education Toy (Amazon Exclusive) OVER 600 ASSORTED PIECES  The KNEX 52 Model Building Set contains 618 micro and classic parts and pieces that feature vibrant colors and premium-quality construction. The package includes rods and connectors. These parts can snap together to create rounded and cornered shapes. Pieces can be mixed and matched to turn whatever a child imagines into a true-to-life creation. 52 BUILDING IDEAS  Let your children enjoy creating 52 different model ideas with this colorful set. Parts can be used to make a fire truck with an extended ladder, a military tank, a windmill, and a giraffe. Your kids will enjoy checking off each weeks building idea in the included calendar. CONVENIENT STORAGE  You never need to worry about scattered pieces, thanks to the handy storage tub. For hassle-free packing and storing, the KNEX 52 Model Building Set includes a red plastic container. All micro and classic KNEX parts can be placed in this portable plastic tub. This makes transporting the set easy, so you can bring KNEX on your family outings and keep the little ones entertained. Packaging may vary. EASY TO USE  KNEX 52 Model Building Set comes with an easy-to-follow instruction manual to guide children through their building conquests. The manual comes with construction ideas ranging from beginner to advanced levels of difficulty. Unleash your youngsters creativity by letting them create a variety of structures on their own. This building set is recommended for children ages 7 and up. STEAMagination: Its the connection of STEAM (science, technology, engineering, arts & math) with a childs natural curiosity and creativity and it powers the fun of each and every KNEX building set. Building with KNEX puts children on a path towards a fundamental understanding of STEAM/STEM subjects. DEVELOPMENTAL BENEFITS: KNEX supports key areas of a childs developmental growth. As they click the different parts together and discover how the building system works, theyre strengthening hand-eye coordination, fine motor skills, problem-solving skills, spatial awareness and exercising their imagination! COMMITMENT TO QUALITY: KNEX rods and connectors are responsibly made in America at a landfill-free, zero-waste green manufacturing facility in Hatfield, Pennsylvania. We test to the strictest quality and safety standards, ensuring that your child has a successful, trouble-free building experience. PARTS GUARANTEE: Broken part? Missing part? If you find yourself in need of a replacement for any reason, just give us a call! Well get you what you need so that your child can get back to building as soon as possible.