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Ricky Jr’s Halsam Hi-Lo ABC Blocks

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Lucy picks up Rick Jr’s ABC Blocks in I Love Lucy Episode : Ethel’s Birthday

The I Love Lucy Episode Ethel’s Birthday opens with a scene in which Lucy is tidying away Ricky Jr’s ABC blocks.

The blocks are seen with their original box on the show identifying them as Halsam Hi-Lo Safety Blocks with interlocking ridges. These were called safety blocks because the corners were rounded. The striped ridges slot together for stacking using a patented design that interlocked the blocks together for a more stable construction.

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Halsam Hi-Lo Safety Blocks
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Halsam Blocks Ad – LIFE Nov 28, 1949
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Halsam Hi-Lo Safety Blocks Ad 1954
Hi-Lo Blocks original ad LIFE Nov 24, 1952
Hi-Lo Blocks original ad LIFE Nov 24, 1952

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Find more Halsam Hi-Lo blocks on eBay

Reference:  I Love Lucy Episode : Ethel’s Birthday

Halsam Patent: http://www.google.com/patents/US2132757