Assemble pneumatic arm 4M science kit for 5-7 year old kids. The toy excavator mechanism features a two-piece movable bucket that can be controlled with two syringes. Assemble a science toy according to the instructions with diagrams and learn about pneumatics (a branch of physics), pneumatic mechanisms and devices based on them. The body of the model is made from a set box.
A fascinating way to learn about mechanical science! Build your very own pet snail from scratch and watch it glide over any surface. Watch for the life-like movement. There are two different stride lengths. For ages 8 years +.