Create your own marble runs with this exciting construction set.

This Quercetti transparent marble run teaches youngsters basic principles of mechanics and physics such as gravity, speed, inertia and weight.

The transparent tubes allow your child to watch the marbles go round and round.

Quercertti Marble Run Transparent 45 pieces features:

Features interlocking chutes, bridges, columns and spinning-wheels

Stimulates creativity and reasoning

46 Piece Set includes real glass marbles and transparent tubes

Suitable for ages 4+