- 750-PIECE PACK This Ultimate Builders Case contains 750 classic pieces in bright colors and with sturdy plastic construction. The package includes many different rods and connectors to let builders create extravagant designs!
- CREATE 3D CONSTRUCTIONS Encourage your child to bring his dream design to life by building three-dimensional models. Whether hes creating a cool vehicle or a pirate ship, this set allows a multitude of 3D configurations.
- PORTABLE STORAGE CASE Allow your child to play and learn wherever you are with this building set.
- FULL-COLOR INSTRUCTIONS Encourage your child to build and create with the 25th Anniversary Ultimate Builders Case. This set comes with color-coded, easy-to-follow instructions that will teach your child to craft 50 models of varying size and difficulty.
- 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, they're strengthening hand-eye coordination, fine motor skills, problem-solving skills, spatial awareness and exercising their imagination!
recommended ages 7-12