Quercetti SKYRAIL Medium
Suspension with Motorized Elevator (item number 6645) ($79.99). This
360 piece suspension set includes a battery operated marble elevator
that allows users to create endless and mesmerizing cascades of marbles.
With 30 feet of glow -in-the-dark track, spectacular structures can be
built by copying the examples illustrated in the detailed instruction booklet
or by inventing whatever your grandchild's personal creativity and building
skill suggests. Includes a detailed instruction booklet. Perfect for demonstrating
gravity, speed, inertia, centrifugal force and other principles of mechanics
To order call 800.445.8347 or click here.