(a species of owlet moth (Noctuid)) Some caterpillars, after they emerge from their egg, can increase their weight by 25,000 times.

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Toys, games and puzzles

Build your own robot bug

Soda Can Robug Tmb

Recycle a fizzy drinks can by turning it into a robotic bug. Switch it on, hear it buzz and watch it move across the floor.

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Build your own robot bug

£ 9.79

Out of stock

Assemble this great robotic science project yourself using the mechanic body, electric motor, wire wings, legs and screws with the detailed instructions.

The kit contains the plastic mechanical body (assembly required), toy motor with spinner and electric wires, body plate, body rims, battery casing with wires attached, 2 pairs of wire wings, 3 wire legs, 4 large screws with bolts, 10 small screws, 2 plastic terminal caps and detailed instructions. Requires 2 AAA batteries (not included). You need to recycle a drinks can to complete the project. Screwdriver required from home. Ages 8+