Would it work with marbles if the little coaster car gets lost?

Sort of works for some track configurations. Marbles are faster than the car and jump the track easily.

is it too difficult for a 6 year old?

My son received it at about 6 1/2. He liked building with it for fun, but without the guiding cards. As he got more familiar with the pieces, he started trying the easier builds and really enjoyed it. I would say if your 6 year old is a builder and already completing Lego sets for older kids (8+), they would enjoy growing with this game. Hope that helps.

Can 2 sets connect together?

that is a great question! there is no scaffolding to connect the black bottoms but there is nothing preventing you from putting them side by side and attaching the pieces from one set into the next

For older kids, such as 5th graders, do you recommend combining 2 kits for them to have more pieces to work with or is 1 kit enough (won't be bored)?

Not really. This is a game, not a building set. You get cards that show you the puzzle and you have to "solve it" by building something that meets the build requirements (i.e. what shows on the card). So having more pieces won't do anything extra for those puzzles. Now, if you want to approach this as a builder set and just let the kids build what ever they want, then more pieces could be good. But I wouldn't recommend it.

Thinkfun Roller Coaster Challenge Stem Toy And Building Game Boys

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Description

🎢 Build, solve, and thrill your brain—STEM fun that’s a total game changer!

AWARD WINNING DESIGN - TOTY Game of the Year Finalist recognized for innovative educational play.
SCREEN FREE ENGAGEMENT - Encourages hands-on problem solving without digital distractions—pure tactile learning.
BRAIN BOOSTING STEM FUN - Combines roller coaster building with 60 logic challenges to sharpen engineering and reasoning skills.
BUILT TO GROW WITH YOUR CHILD - Challenges range from beginner to expert, perfect for ages 6+ to develop critical thinking over time.
CLEAR STEP BY STEP INSTRUCTIONS - Easy-to-follow manual gets kids building and solving within minutes, fostering independence.

ThinkFun's Roller Coaster Challenge is a top-rated STEM toy featuring 60 progressively difficult logic puzzles combined with a hands-on roller coaster building set. Designed for kids 6 and up, it develops critical engineering, spatial reasoning, and planning skills through screen-free, tactile gameplay. This TOTY finalist includes 76 durable pieces and 40 challenge cards with solutions, making it an award-winning educational experience that grows with your child’s abilities.

Specifications

ASIN	B071KT3MSN
Age Range Description	72 months to 1188 months
Best Sellers Rank	#18,342 in Toys & Games ( See Top 100 in Toys & Games ) #404 in Board Games (Toys & Games)
Brand Name	ThinkFun
Color	Multicolor
Container Type	Box
Customer Package Type	Standard Packaging
Customer Reviews	4.5 out of 5 stars 2,716 Reviews
Educational Objective	Playing Through The Challenges Builds Engineering, Reasoning And Planning Skills And Provides A Great Stealth Learning Experience For Young Players
Global Trade Identification Number	00019275010461
Grenre	Educational
Included Components	One game board, 36 posts, 39 tracks, one roller coaster car, and forty mind challenging cards with solutions
Item Dimensions	11 x 2.75 x 11.58 inches
Item Type Name	Roller Coaster Challenge STEM Toy for Boys and Girls and Building Game – TOTY Game of the Year Finalist
Item Weight	1.3 pounds
Language	English
Manufacturer	ThinkFun
Manufacturer Part Number	1046
Manufacturer Warranty Description	No Warranty
Manufacturer recommended age	6 years and up
Material Type	Plastic
Model Name	Original
Model Number	1046
Model Year	2016
Number of Items	1
Number of Players	1
Operation Mode	manual
Package Quantity	1
Product Style	Standard Packaging
Rulebook Availability	True
Set Name	Roller Coaster Challenge
Size	11 x 2.75 x 11.58 inches
Theme	Educational
Unit Count	1 Count

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€ 94.44

Duties & taxes included

In stock

Sold byAmazon GERMANYDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to GERMANY.

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TrustScore 4.5 | 7,300+ reviews

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ThinkFun Roller Coaster Challenge STEM Toy and Building Game for Boys and Girls Age 6 and Up – TOTY Game of the Year Finalist

Description

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Common Questions