In the Future we could have a Block that each side could have a unique image (jpeg, Gif) using an rfi chip. The teacher could upload a pic
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iQ 3.15 and later versions include the Tool Explorer Custom Image Editor. This application allows teachers to change the images on cubes/stamps to whatever they choose. Print the images on a 1-1/2" label sticker, and you can customize your Tool Explorer accessories to whatever is best for your individual lessons!