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long and narrow to give an adequate path length for wave experiments
12 x Ankle skips
• Y amplifier: FET input
these large dice can be used indoors and outdoors
they also liked the way it felt in their hands with its soft and pliable rubber coating and distinctive raised tactile nodes
Negative/Positive Number Lines -50 To +50 Pack Of 5 new long and narrow to giveThis essential negative positive number line is available in 2 versions, each calibrated with numbers at 20mm intervals and alternate decades red and blue. The 10 to +10 vertical line, in packs of 10, has an overall length of 440mm; the 50 to +50 line is 1m long and comes in packs of 5.
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