TWO-SIDED SPIRAL TWIST: Both sides of the twist can be used, doubling the play potential.
MARBLE PLAY: Marbles travel inwards on the concave side and outwards on the convex side.
FULL SET: The set includes one double-sided spiral twist, three wooden distributor blocks, one Hole Shutter, one accelerator, two stabilizer rings and two height adjusters, eight marbles.
PLAY & DEVELOP: Helps develop spatial thinking and an understanding of Science, Technology, Engineering, Art and Mathematics principles. Praised by The Wall Street Journal as the perfect toy for teaching children how to code.
COMPATIBILITY WITH OTHER SETS: Fully compatible with all Hape Quadrilla sets, allowing for seamless integration and expansion of marble run configurations.
