POLYDRON ENGINEER CLASS SET, Age 9+, Pack of 250 pieces Numeracy/Patterns-Sequencing-(EY)/Patterns-Sequencing-(EY) with antique door handles and

with antique door handles and hinges

10 ground pegs

Also available in Blue

Optional 3 pedal unit available

A very flexible wire suitable for test leads

POLYDRON ENGINEER CLASS SET, Age 9+, Pack of 250 pieces Numeracy/Patterns-Sequencing-(EY)/Patterns-Sequencing-(EY) with antique door handles andAllows 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