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The glass colors aren't evenly distributed in the bag
It is particularly good for those that pick and bite as the 'bitey' sensation stimulates in a similar way without the harm
Students complete Self-assessment 1 after completing all 5 Pretests and Self-assessment 2 after completing all 5 Post Tests
25 Min Playing Time
Electric Powered Rubber Band Winder Size:Ages 14+ The glass colors aren't evenlyElectric winders are the best partner for rubber band powered airplanes. Electric rubber band winder with turns display. The children can better grasp the appropriate number of laps. PLAYSTEM Electric Rubber Band Winder FITTING THE BATTERIES 1. Undo the screws on the battery hatch and remove it. 2. Insert 2 AA batteries with correct polarity. 3. Replace the battery compartment and redo the screw. Ages 8+ View our entire PlaySTEM range.
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