$K\'Nex STEM Explorations Roller Coaster Building set$

Designed to engage and inspire students as they understand how stem concepts are used in the develop ...

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Explore stem concepts while building a working roller coaster using the materials included in this s ...

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Knex clock work roller coaster building set

Tick tock goes the coaster car on the clock work roller coaster building set from knex the hour hand ...

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Go back in time with the infinite journey roller coaster building set from knex the slingshot launch ...

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Knex star shooter roller coaster building set

Build the knex star shooter space themed roller coaster building setr motorised for exciting perform ...

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Knex star shooter roller coaster building set

Build the knex star shooter space themed roller coaster building setmotorised for exciting performan ...

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Feel the electricity run through your body with the electric inferno roller coaster building set fro ...

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Knex cobras coil roller coaster building set

Get ready for slithering fun with the cobras coil roller coaster building set from knex you can buil ...

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Bring a wave of fun from the ocean to your living room with the new typhoon frenzy roller coaster bu ...

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Blast off faster than the speed of lightthe inverted blaster motor launches your car on an out of th ...

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$K\'Nex STEM Explorations Swing Ride Building Set$

Explore stem concepts while building a working roller coaster using the materials included in this s ...

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$K\'Nex STEM Explorations Swing Ride Building Set$

Explore stem concepts while building a working roller coaster using the materials included in this s ...

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