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Mega blocks, Duplo, and LEGO all fit together despite being completely different sizes : r/mildlyinteresting
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Mega Bloks Sesame Street Let's Build Sesame Street FMB08, Building Toys for Toddlers (70 Pieces) - Walmart.com
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Amazon.com: MEGA BLOKS Fisher-Price Toddler Building Blocks, Green Town Build & Learn Eco House With 88 Pieces, 4 Figures, Kids Age 1+ Years : Toys & Games
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