K'NEX BUILDING SET. Calling all aspiring builders and engineers! Enjoy endless ways to build and play with the K’NEX Mega Motorized Deluxe Building Set 100 MODELS TO BUILD. Step-by-step instrucitions with 100 different templates to build from. Build one model, then take it apart to build another—there’s no end to the fun 967 CLASSIC K’NEX PIECES. This set includes 967 different rods, connector pieces, and motorized components for LIMITLESS construction possibilities STEAMagination. This STEAM set encourages the development of fine motor skills, dexterity, spatial awareness, and problem solving using the color-coded rods and connectors designed to click together! Easy to Store