K-FORCE K&rsquo;NEX 10 Dart Pack Clip &ndash; 11 Pieces &ndash; Ages 8+ &ndash; Engineering Educational Toy QUICK RELEASE CLIP  Youre in for continuous blasting action with this re-loadable 10 dart clip. With this clip you can quickly reload darts when on empty HOLDS UP TO 10 DARTS  Includes clip and 10 darts to make up this 11-piece set. 10 darts are included in this building set. EXCLUSIVE RED COLOR  This exclusive red translucent color is only available in this set. Stock up and stand out with the KNEX K-FORCE 10 Dart Pack and Clip. COMPATIBLE WITH KNEX K-FORCE FLASH FIRE MOTORIZED BLASTER  Works with the Flash Fire Motorized Blaster, part of K'NEX's line of K-FORCE blasters! K-FORCE blasters are the ONLY blasters that you can design, build & customize! Combine sets to build your own unique blaster STEAMagination  This is 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 to a fundamental understanding of STEAM / STEM subjects