Self-corrective, colour-coded logic game with a 5 x 5 grid to cover using rulers of different lengths. Includes 6 double-sided 15 x 15 cm magnetic boards with 12 progressive activities, 6 double-sided self-corrective sheets, 30 magnetic rulers in 5 lengths and 5 colours, and a teacher's guide. Workshop for 2 children.
Age: 4 +