How do you tell them apart small parts and bog ones

Many of the K’NEX kits include both small and bigger parts for certain projects.

Are these the big or small ones?

Hi there, these are the Classic sized Knex (larger). - Your Friends at Basic Fun

Does this work with legos?

I know some sets we have work with Legos but am not sure this one does. My grandchildren use both a lot to make their creations.

How do I go about getting missing pieces?

I would contact K'nex if you have missing pieces.

Knex Click And Construct Value Building Set 522 Pieces Stem

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Description

🛠️ Build, Click, Create — Where Imagination Meets Engineering!

DURABLE ORGANIZED - Comes with a sturdy storage tub to keep your creations and parts tidy.
GUIDED STEM LEARNING - Includes 35 detailed instructions to spark engineering and spatial skills.
INTERACTIVE ENGINEERING FUN - Build models with real moving parts like wheels, rotors, and wings.
PERFECT FOR FUTURE INNOVATORS - Designed for ages 7+, boosting fine motor skills and problem-solving.
ENDLESS CREATIVE POSSIBILITIES - 522 classic and micro pieces click securely for limitless designs.

The K'NEX Click & Construct Value Building Set features 522 snap-fit pieces that enable kids aged 7 and up to build 35 unique models with real moving parts. This STEM-focused toy enhances fine motor skills, spatial reasoning, and creativity, all while providing durable components stored conveniently in a plastic tub. Perfect for young innovators eager to engineer dynamic vehicles, animals, and structures.

Specifications

ASIN	B07BMS3GHV
Additional Features	Click Technology, Multimodel Building
Age Range Description	7 - 15 years
Best Sellers Rank	#15,209 in Toys & Games ( See Top 100 in Toys & Games ) #504 in Toy Building Sets
Brand Name	K'NEX
Color	Multicolor
Customer Package Type	Standard Packaging
Customer Reviews	4.5 4.5 out of 5 stars (2,621)
Educational Objective	Engineering Skills
Global Trade Identification Number	00744476180247
Included Components	522 K'NEX Parts and Pieces, Instruction Booklet, Instructions booklet
Is Assembly Required	No
Item Dimensions	13.75 x 8.75 x 7.63 inches
Item Type Name	Building Set
Item Weight	1.06 Kilograms
Manufacturer	K'NEX
Manufacturer Maximum Age (MONTHS)	144.0
Manufacturer Minimum Age (MONTHS)	84.0
Manufacturer Part Number	18024 / 18025
Manufacturer Warranty Description	Lifetime warranty against manufacturer's defects
Material Type	Plastic
Model Name	Click & Construct Value Building Set
Model Number	18024 / 18025
Model Year	2018
Number of Pieces	522
Operation Mode	Manual
Size	Large
Sub Brand	K'NEX
Supported Battery Types	No batteries required
Target Audience	boy
Theme	Animal
Toy Building Block Type	Interlocking Toy Building Block
UPC	744476180254

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