POLYDRON ENGINEER CLASS SET, Age 9+, Pack of 250 pieces Numeracy/Patterns-Sequencing-(EY)/Patterns-Sequencing-(EY) 10 ground pegs

10 ground pegs

with antique door handles and hinges

Size: 55 x 55mm

rainbow coil spring

two blocks fit into carriage 2 and so on

POLYDRON ENGINEER CLASS SET, Age 9+, Pack of 250 pieces Numeracy/Patterns-Sequencing-(EY)/Patterns-Sequencing-(EY) 10 ground pegsAllows for the construction of 12 different models. 3 to 4 models can be made at once. Gears include simple ratios 8, 16 and 24 teeth. Each square piece measures 75 x 75mm. The set contains: 4 Baseboards, 6 Small Gears, 6 Medium Gears, 6 Large Gears, 8 Small Pulleys, 4 Medium Pulleys, 2 O Rings 410mm, 2 Handles, 2 x 80mm Struts, 3 x 90mm Struts, 8 x 180mm Struts, 1 x 200mm Strut, 3 x 330mm Struts, 18 Stub Axles, 8 Stub Axle Connectors, 12 Squares, 22