Pocket Pi Geeky fun &amp; learning retractable measuring tape (see NumbersAlive! Amazon shop for sets of 5)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> 400+ pi digits on one side of real tape </span></li><li><span class="a-list-item"> cm tape measure on other side of tape </span></li><li><span class="a-list-item"> Perfect gift for any math lover or math geek </span></li><li><span class="a-list-item"> stocking stuffer， classroom award </span></li><li><span class="a-list-item"> See NumbersAlive! shop "Pocket Pi (Set of 5)" for a volume discount. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41hPD9rskzL.jpg" noproxy>