The is a combined into an infinite geometry freely. » The toys occupy your mind and hands to train your brain and relieve stress. » This is science kit keep you away from mobile phone and computer, protect your eyes. » Improve your spatial imagination, logical reasoning ability and manipulative ability. » HOW THEY WORK? - In order to use these zingers, place one in each hand, and toss them both upwards, and at each other. » If they are close enough, they will attract each other and produce a loud rattling sound and spin in the air. » The ideal method to produce sound is with a high arcing trajectory so that they graze against each other. If they collide too hard they will bounce off of each other.» The is a combined into an infinite geometry freely. » The toys occupy your mind and hands to train your brain and relieve stress. » This is science kit keep you away from mobile phone and computer, protect your eyes. » Improve your spatial imagination, logical reasoning ability and manipulative ability. » HOW THEY WORK? - In order to use these zingers, place one in each hand, and toss them both upwards, and at each other. » If they are close enough, they will attract each other and produce a loud rattling sound and spin in the air. » The ideal method to produce sound is with a high arcing trajectory so that they graze against each other. If they collide too hard they will bounce off of each other.
Trustpilot
1 month ago
1 week ago
