Ravensburger Gravitrax Magnetic Cannon Accessories Marble Run And Stem Toys | Desertcart Malaysia
Ravensburger Gravitrax Magnetic Cannon Accessories - Marble Run & STEM Toys for Boys and Girls Ages 8+ - Accessories for 2019 Toy of The Year Finalist Gravitrax
Ravensburger Gravitrax Magnetic Cannon Accessories - Marble Run & STEM Toys for Boys and Girls Ages 8+ - Accessories for 2019 Toy of The Year Finalist Gravitrax
有问题吗？看看别人问了什么
Does this cannon require batteries?
Are they little marbles or big
I wonder how high can a marble go, say on a 45 degree slope?
Is this for the tip tube or volcano? The picture is tip tube but the description is the volcano.
