

🎢 Build. Learn. Play. Repeat. The STEM roller coaster your child can’t miss!
The Smartivity Roller Coaster Marble Slide S.T.E.M is a 131-piece DIY educational kit designed for kids 8+ to explore core STEM concepts like gravity and momentum. With 150 minutes of assembly and unlimited playtime, it features precision laser-cut parts and an illustrated guide to foster creativity, motor skills, and strategic thinking. Ideal for engaging parent-child collaboration and hands-on learning.











| ASIN | B018K37TD4 |
| Assembly Required | Yes |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #88,684 in Toys ( See Top 100 in Toys ) #4,101 in Toy Building Sets |
| Color | Multi-Colour |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,500) |
| Date First Available | 6 January 2016 |
| Educational Objective(s) | Creative Skill, Motor Skill, STEM |
| Item model number | SMRT1012 |
| Manufacturer recommended age | 36 months - 8 years |
| Material Type(s) | Plastic |
| Number of Game Players | 1 |
| Number of Puzzle Pieces | 131 |
| Product Dimensions | 47 x 38 x 16 cm; 1.22 kg |
| Remote Control Included? | No |
V**Y
I would consider myself as a strict grader of products. I am not easily impressed and usually expect a lot from anybody selling me anything - especially for my 6-year old. So please realize that when I say I absolutely LOVED this product, they must have done a lot of things well. Quality: The finish of the laser-cut parts is amazing. Everything in this complex mechanism fit perfectly. Design: Someone at Smartivity's really thought through this design and assembly. It's a thing of beauty and works flawlessly in the end. All fastening is with non-messy rubber bands. The directions are easy, and even my 6-year old followed the instructions effortlessly. Engaging: My hyperactive daughter stayed put for the entire time and was in a total state of flow in putting this assembly together. We collaborated on building it as a father-daughter team, and I have to say that I was totally into it too. The best use of the time and money we've invested in a build it yourself toy in a long LONG time!
V**.
Good Quality. Quite engaging. Only if the track size of roller was a bit bigger.
P**R
Amazing ideation by smartivity, I am so amazed to see this creativity with the product. While opening the package it looks like a daunting task however their instructions are very sequential and clear, allowing no confusion no misses. Very high quality product with very precise cuts for separating each part. Hats-off to the thoughtfulness here by the product makers. I ordered this with only one thought that, this will take my 3year old toddler away from you-tube and at least the start was good. thanks for this interesting and intelligent product. Only one note: i am going to use it as an engager for my toddler 3years old, I doubt whether it would be an interesting item for the age mentioned in this product (8+yrs) - as kids of this age might not really feel this product amazing after few days
P**V
I'm really glad that i chose this as the b'day gift for my 8 Yr old cousin. The kit comes in a sizeable box and the initial impression was slightly overwhelming with 4 cardboard sheets with cutouts required for constriction and a construction guide booklet of 20+ pages. I was worried whether it might be a bit too much for an 8 year old. But once you start to guide them step by step and remain patient, it's a rewarding experience for both the kid and yourself to see the Rollercoaster come alive in stages. And once it's setup, the game which in simple terms is snooker with marbles, surprisingly has good repeat value. Honestly even as an adult, it's exciting to see the marbles roll their way along the path, so you can imagine the awe on the kid's face. WARNING - you will have to bear with the constant nagging from the kid to join them in playing the game again and again and again. The cardboard pieces are sturdy and the physics involved is seriously impressive and makes you appreciate the creativity and hardwork behind making this product. So kudos to the smartivity team.
P**H
price is high as its aone time mfg cost and that also soft hardboard might be cost 100 rs
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