Polydron Engineer Class Set Creative Spaces & Role Play The built-in lumbar support keeps

The built-in lumbar support keeps your lower back well-supported

1 x Hand Pump

thereby reducing their effectiveness

These units offer flexibility

even lines that are free from smudging and smearing

Polydron Engineer Class Set Creative Spaces & Role Play The built-in lumbar support keepsPolydron Engineer is the latest, totally unique, Design and Technology product which is used to demonstrate engineering principles and the workings of simple machines. Allows for the construction of 12 different models. 3 to 4 models can be made at once. Gears include simple ratios with 8, 16 and 24 teeth. Each square piece measures 7. 5 x 7. 5cm. Age 9+.