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.

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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

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

Product ID: 76903367

Details

Age Range (Description)
72 months to
Brand
ThinkFun
Material
Paper Plastic
Number of Players
1
Theme
Educational

🎢50+ mind-bending challenges

📚STEM skill builder

🧩39 precision track pieces

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Description

🎢 Elevate playtime with the roller coaster of brain-boosting fun!

INCLUSIVE ENGAGING - Perfect for ages 6+, designed to captivate both boys and girls with clear instructions and hands-on play.
BUILD PLAY IN MINUTES - Comes with 39 high-quality track pieces and 36 posts for seamless roller coaster construction right out of the box.
AWARD WINNING BRAIN GAME - TOTY Game of the Year finalist recognized for blending fun with education, making it a must-have for smart kids.
STEM SKILLS ON OVERDRIVE - Boosts critical thinking, spatial reasoning, and planning — the ultimate stealth learning experience for future innovators.
CHALLENGE YOUR INNER ENGINEER - 50+ logic puzzles that evolve from beginner to expert levels, keeping young minds hooked and growing.

ThinkFun's Roller Coaster Challenge is a STEM-focused building and logic game featuring over 50 progressively challenging puzzles. Designed for kids 6 and up, it includes 39 track pieces, 36 posts, and a roller coaster car, all packaged with clear instructions. This award-nominated game develops critical engineering, reasoning, and planning skills through immersive, hands-on play.

Specifications

ASIN	B071KT3MSN
Age Range Description	72 months to 1188 months
Best Sellers Rank	#31,795 in Amazon Launchpad ( See Top 100 in Amazon Launchpad ) #966 in Toys (Amazon Launchpad) #8,603 in Home #14,798 in Board Games
Brand	ThinkFun
Colour	Multicolor
Container Type	Box
Country of Origin	USA
Customer Package Type	Standard Packaging
Customer Reviews	4.6 4.6 out of 5 stars (2,619)
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
Is Assembly Required	No
Item Dimensions	27.9 x 7 x 29.4 Centimeters
Item Package Quantity	1
Item Type Name	Roller Coaster Challenge STEM Toy for Boys and Girls and Building Game - TOTY Game of the Year Finalist
Item Weight	590 g
Language	English
Manufacturer	ThinkFun
Manufacturer Part Number	1046
Manufacturer Warranty Description	No Warranty
Manufacturer recommended age	6 years and up
Material	Paper, Plastic
Model Name	Original
Model Number	1046
Model Year	2016
Number of Items	1
Number of Players	1
Operation Mode	manual
Other Special Features of the Product	Educational
Product Style	Standard Packaging
Set Name	Roller Coaster Challenge
Size	11 x 2.75 x 11.58 inches
Theme	Educational
Unit Count	1 Count

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$U8047

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In stock

Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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