Thames & Kosmos Gecko Run Marble Run Starter Set – 63 Piece Vertical Marble Run Toy with Flexible Tracks | Fast, No-Mess Setup with Residue-Free Nano-Adhesive Pads for Hours of Creative Play

All the kids in the family loved this toy. I will say, they can be difficult to remove from the surface because they are meant to securely cling to the surface. They won't damage the surface but you have to use the helpful tool they include to help the suction release and smaller children will likely need your help to move them. That being said, setting them up and then playing with them are lots of fun and they kept the kiddos engaged for a long time!

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I bought this for my kids to paly with on rainy days! I'm so shocked that it sticks to everything ! You could literally take this on the train and keep your little ones entertained on the longest of journeys ! It even sticks to textured wallpaper, which only proves the quality, had this product for a while now and it's very robust. I have 5 children and apart from losing the odd piece what we do have is still in excellent working condition ! Very well made, and a fantastic product ! Thank you :)

Super fun - a toy that my 11 old son comes back to it all the time, he tinkers with the run set ups to optimize it!

I bought 3 of these for my grandson's they spend hours playing with it. The stickers aren't as sticky as I'd like so I used tape too. But apart from that even the adults love it. Excellent product for kids and adults too 😆