Building Block Calculator
Building Block Calculator and more Quirky Gift Ideas at Perpetual Kid. Flash back to your inner architect with our Building Block Calculators. Add, subtract, mu
100% Customer Satisfaction! If you are not completely satisfied, you may return this item within 60 days of purchase. See our Return Policy for details.
Available in FOUR awesome colors - Red, Green, Blue, and Black!
Plastic. Measures 5.5 x 2.5 x 1
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