Grow Your Own Monster Plants, I love the idea of this! gets kids interested in greenery and has a few plants from prehistoric times that are a bit more interesting than your average house fern:

Grow Your Own Monster Plants :: Garden Centre Online

£8.50

Kids can grow their own range of scary mixed monster plants featuring dragons and moving plants.
These monster plant kit contains 3 varieties of prehistoric plants and allows children to learn about nature and have fun whilst sowing and growing these.
Contains:

  • 1 packet of snapdragon seeds
  • 1 packet of asparagus fern seeds
  • 1 packet of moving plant seeds
  • 3 coconut husk starter pots
  • 3 coconut husk compost discs which expand when watered
  • 3 wooden plant markers
  • Sow & Grow booklet with growing tips and puzzles