Building with K’NEX is easier than ever, with the Beginner 40 Model Building Set! Featuring all new easy-build parts that allow children ages 5 & up to have a frustration-free building experience. The new parts – a barbell shaped rod that easily sandwiches between 2 connectors, & a flat panel piece that provides structural support – were specifically designed to address the needs of younger builders, who can easily build 2 flat shapes & then connect them together into a 3-D creation! Plus, newly designed wheels pop right on – they’ll be on the go in no time! This set contains 141 parts & easy-to-follow, step-by-step building instructions & ideas for 40 different models. Your little builder can also use the parts to design & create from their own imagination! Packaged in a sturdy suitcase-style box with a handle for easy clean-up & portable storage. Building with K’NEX supports a child’s developmental growth & puts them on a path towards a better understanding of STEM subjects. As they fit the pieces together, they’re developing spatial awareness & honing their fine motor & dexterity skills. Give your child the gift of creativity with K’NEX & think outside the blocks!