Bornelund Quadrilla Twist Rail Set Around 4 Years Old QDE6009AB05 &

[Infinite combinations] This is a course set for rolling marbles made by combining blocks and rails. Quadrila is a slope toy that not only children but also adults will fall in love with, as it hides physical theories such as gravity and friction. [Rolling marbles as natural] Quadria may seem like a simple, repetitive game, but there are many rules that will keep you hooked on the game! By repeating trial and error, you can intuitively learn physical theories such as structure, acceleration, and friction. [Product details] [Target age]: 4 years old and up [Size]: Height 34 x Width 53.5 x Depth 13.5cm [Weight]: 4.8Kg [Material]: Polypropylene, wood, glass [Key points of Quadrila] ① 7 types of blocks that create unpredictable movements ② Rails that change the acceleration of the marbles depending on their shape ③ Spiral rails that change the speed of the marbles [Set contents] 24 blocks (8 types), 3 spiral rails, 3 straight rails (long), 4 straight rails (short), 1 seesaw part, 48 supplementary parts (5 types), 50 marbles (bag) *The package design may differ from the actual product. The content of the piece remains unchanged.