Bullet point: Made of high quality plasitc. A small tension integrity sculpture the center of gravity of the upper part of the model makes all chains in tension thus forming a stable system that seems to overcome gravity. Ideal gift for you and your... more
Description The physics teaching set is convenient and practical with great texture and can be used for a long time without being easily damaged. The exquisite craftsmanship can serve you well without breaking easily. This physics experiment pulley... more
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