Underground Brain Train Toys_Build & Create When solved

When solved

encouraging children to create their own fantasy worlds at home or on the move

or stationery collectors

With its unique magnifying effect

Each puzzle increases in difficulty

Underground Brain Train Toys_Build & Create When solvedAll aboard the worlds first mathematical London Underground railway! Underground Brain Train is where logic meets locomotion. Designed as a puzzle game with a difference, this engaging set challenges players to construct accurate railways by solving clever maths based puzzles. With 12 track pieces and 40 multi level challenges to tackle, players must use their numeracy and deduction skills to piece together the correct railway configuration. And once