Control-Block Multipack

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Boost the versatility– and fun – of your Quadrilla sets with this four-block pack!Hape Quadrilla Control-Block Multipack includes an adjustable distributor block where you choose t he marble direction and three cool types of see-saw. The knob and button on the distributor block can be used to change marble direction. Choose from horizontal and vertical options. Helps to develop spatial thinking and an understanding of Science, Technology, Engineering and Mathematics (STEM) principles. Show more