| http://www.w3.org/ns/prov#value | - The unit itself also has keyholes" on the back that can be mounted on screws on a wall. 3 AA size batteries are required, although I do believe a set is supplied but may not last long as people obviously try them out in the shop.I should point out that everything is in English phonics on my version i.e. the letter z is pronounced zed not zee - I am not sure if this is different if bought in th
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