Pay in 4 interest-free payments of $8.50 Learn more
Ships within 48 hours · Estimated delivery Sep 23 - Sep 28
Frost-friendly up to -25 degrees Fahrenheit
USB cable and parent guide included
36 unique character cards enhancing varied play
- Over 15 scientific and artistic activities
Professor Puzzle Einstein's Letter Blocks - Mind-Bending Word Puzzles foam Frost-friendly up to -25 degreesTwist, turn, and decipher! Professor Puzzle Einstein's Letter Blocks invite you to challenge your intellect and patience. These expertly crafted wooden blocks, styled after letters in Albert Einstein's own name, offer a series of 12 mind expanding puzzles designed by the ingenious Martin H. Watson. From the intriguing Relativity Riddle to the perplexing Quantum Query, each puzzle increases in difficulty, encouraging persistence and problem solving
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