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thames kosmos ultra bionic blaster Sale Antonia blev valgt på iUltra Bionic Blaster is an ingenious way of learning engineering. Construct an air powered robotic glove that launches safe foam darts. While having fun constructing and using this devise children learn about pneumatics which is a technology that use pressurised air to perform work. After you've built and tested your blaster, slide it on and strap it to your wrist. The first pull of the trigger causes the scissor arm to lift up the barrels and launch