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Covers: geometric fractions
FOSS Next Generation Trees and Weather
Encapsulated solar cell modules mounted in sturdy black polycarbonate cases
90 in each direction
3 to 4 models can be made at a time
Roll A Sum 99252 Covers: geometric fractionsHelp children develop mental calculation and counting with Roll A Sum dice. Simply roll the dice and let the numbers guide your counting. Firstly roll the dice and look at the upper face, then group the dice together that are related. Choose the dice you want to use and the best dice to start your sum. Contains 10 dice and 1 carry sack. Ages 4 9 yrs. WARNING: CHOKING HAZARD SMALL PARTS. Not for children under 3 yrs. A collection of ten number dice for