Mathematics Balance Revised Version

This new Mathematics Balance is complete with a spirit level for complete accuracy and is supplied with 10g x 20 and 5g x 20 weights and a complete CD-Rom product guide. Pupils can easily perform all four mathematical functions (+, -, x, Ö) with immediate and physical verification of the results. An A4 sheet of low tack self-adhesive labels is supplied which can be written on if required. Ages 6+ years