Amazon has marked down there price on the Hape Quadrilla The Roundabout to just $40.76 (Reg. $74.99)
The Quadrilla Vertigo is one of several types of marble runs in the Quadrilla line. There are endless possibilities for 3-D thinking and engineering development. Hape’s Quadrilla Marble Runs help children to develop spatial and reasoning abilities, and has even been highlighted as a developmental tool for computer programming by The Wall Street Journal. Designed to engage kids in early STEM development, the Quadrilla system encourages problem-solving and keeps little engineers coming back for more fun!
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