A terrific times-tables activity book with an excellent ‘reveal’ feature
that uses a moiré device to unveil each answer. Sherlock Bones and his
trusted accomplice Dr. Catson are embroiled in a frenetic times-table
adventure. They must follow a teasing trail of multiplication-themed
puzzles, and it’s up to the reader to find the answer to each fiendish
problem, all in the hope of foiling Professor Moriratty’s evil plan.
This charming activity book features Sherlock’s ‘magic device’, which
reveals the answer to each puzzle when placed over a moiré area,
allowing children to test their numeracy skills again and again.
A terrific times-tables activity book with an excellent ‘reveal’ feature
that uses a moiré device to unveil each answer. Sherlock Bones and his
trusted accomplice Dr. Catson are embroiled in a frenetic times-table
adventure. They must follow a teasing trail of multiplication-themed
puzzles, and it’s up to the reader to find the answer to each fiendish
problem, all in the hope of foiling Professor Moriratty’s evil plan.
This charming activity book features Sherlock’s ‘magic device’, which
reveals the answer to each puzzle when placed over a moiré area,
allowing children to test their numeracy skills again and again.