A wooden calculus board with flexible use from Kid's Concept. Turn the board around to create rows or columns. There are circle shaped pieces that can represent a singular number, a ten or a hundred. The circles will make it easier to understand the physical connection between the numbers and the actual value. There are also numbers and bricks with equal, division, plus, minus and multiplication signs on them. **WARNING!** Not suitable for children under 3 years. Chocking hazard due to small parts. Keep away from small children and pets. ##### Details \- Calculus board \- 25 circle shaped pieces \- 30 numbers from 0-9 \- Division, plus, minus, multiplication and equal sign pieces x 3 \- Bag \- Problem solving \- Educational \- Concentration \- FSC-certified wood \- CE marked ##### Dimensions Calculus board: 26 x 26 x 1.5 cm Bag: 18 x 22 cm ##### Composition Calculus board: Pine Round markers: Schima Numbers and counter: Linden plywood Bag: Cotto