The Quadrilla Basic Set is a wonderful 49 piece wooden marble run that is perfect for a youngster that has grown beyond blocks and likes adding tri...

High quality, innovative wooden marble run extension pack designed to add height and length to the core sets. Use these interconnecting wooden trac...

This set of three straight rails can be added to all Quadrilla sets. It contains two big straight rails with five holes and and one big straight ra...

A set of four short wooden curved rails, which can be used with any of the Quadrilla sets. Great for inter-connecting and giving length to your Qua...

A set of six colour coded blocks, each block is a different colour and has a different function. They can be used with any Quadrilla marble run and...

Set of six teal wooden blocks, ideal for gaining height to your Quadrilla. By adding expansion sets you can dramatically increase the size and func...

Four Small straight rails to interconnect with the core sets adding length to your Quadrilla system. Amaze your friends and family by making your s...

Two s-shaped rails which can be used with any of the Quadrilla core sets. Make you set more interesting by diverting the marble through a series of...

Big circle rail, and exciting accessory piece with six holes that will add to any Quadrilla set. This will really make your Quadrilla big. A large ...

This Quadrilla sets contains lots of exciting pieces to add more twists and turns to your twist set or twist and rail set! Includes a red see-saw, ...

One red see-saw which will divert the ball up and over giving your marble run a fun edge, friends will love to see this in action really catching t...

This fun wooden big twist can be added to marble runs to create a more complicated run. This is a really fun expansion piece to add, the ball will ...

A fun green see-saw, a very important item for those who love Quadrilla. Change your direction quickly by sending the marbles back the other way an...

Quadrilla addicts will be captivated by this magnificent marble run set. Children will spend many happy hours designing, building and playing with ...