Product Information:

This is a 14 model collection set, contains 1s; 2s; 2p; 3d; 2s+ 3 x 2p; and sp, sp2, and sp3 hybridized models.   The atomic orbital set uses pink & purple pear shaped lobes to represent the positive and negative wave phases of the s, p & d atomic orbital. Each model comes with a base [...]

Product Warranty:

• To ensure you a satisfactory shopping experience, we provide 60 Day money return guarantee, as long as you find the purchased item is different from our listed description and condition, please emails us before returning. The shipping cost will be born by buyer if returning item to us. However, when there is valid reason for returning, we will bear shipping cost.