The LEGO Ideas 21303 Wall-E set was previously removed for sale for a brief period. As of now, the set is available to be purchased again at LEGO Shop at Home (USA | Canada | UK). Thanks to Ben for writing in. LEGO Brand Retail stores should be replenishing their stocks shortly as well. Forum member Citybrick also reports to us that the Vaughan Mills Lego Discovery Centre in Ontario, Canada now has it back instock.