Monster T Wood Brain Teaser | 54-Piece Very Hard Puzzle marbles game a substantial desk-sized piece rather

a substantial desk-sized piece rather than a pocket puzzle

A double-six set is the standard starting point for the whole domino family

Brontosaurus

making it an ideal display piece for offices or homes

Based on the mathematical method developed by John Conway in 1973

Monster T Wood Brain Teaser | 54-Piece Very Hard Puzzle marbles game a substantial desk-sized piece ratherMonster T Puzzle is a challenging wooden brain teaser featuring 54 T shaped pieces. Assemble them into a 6x6x6 cube, easier said than done! With over 20,000 possible solutions, even experienced puzzlers will find this engaging and rewarding. Includes five solutions to help you get started. Features & Details 54 precision cut T shaped wooden pieces Assembles into a 6x6x6 cube with over 20,000 solutions Includes five solution guides Fully assembled