Get twice the spinning out of your Quadrilla set with this amazing double-sided spiral twist. Both the concave and convex sides feature spiraling tracks, doubling the play potential.

About this item

• Both sides of the twist can be used, doubling the play potential
• Marbles travel inwards on the concave side and outwards on the convex side
• German-engineered design inspired by Da Vinci Circles
• Helps to develop spatial thinking and an understanding of Science, Technology, Engineering and Mathematics (STEM) principles
• Suitable for children over 4 years