Game Yahtzee with additional block for 600 games
at eBay
Cimetech Numpad Keypad USB Numeric Keypad - Number Pad Additional Keyboard - Keypad Numeric Block with 18 Keys for Laptop Ultrabook Netbook Desktop PC Mini Keyboard with Cable
at Amazon Marketplace
Generico Additional Auxiliary Spare Parts | Block for Home Gym Accessories, Lifting, and Training
Cimetech Numpad Keypad USB Numeric Keypad - Number Pad Additional Keyboard - Keypad Numeric Block with 18 Keys for Laptop Ultrabook Netbook Desktop P
at OnBuy
Schmidt Spiele Brainteaser Block, 3 Additional Blocks for 1440 Brainteaser Games
at Amazon.co.uk