Mineral excavation

Excavate the block to discover 5 types of tumbled gemstones: Amethyst, Red Jaspar, Quartz, Rose Quartz, Aventurine.

Item Code Age Guide Units/pack 4820 6 years 1 Dig out four real gem specimens: Red Jasper, Amethyst, Rose Quartz and Aventurine buried inside a gypsum block.

Item Code Age Guide Units/pack 5042 6 years 6 Excavate the block to discover 4 pieces of genuine iron pyrite. Also known as "Fool's Gold". Includes digging tool, brush and magnifier.

Item Code Age Guide Units/pack 5041 6 years 6

Excavate 6 authentic minerals from the volcano shaped block. Minerals might be basalt, scoria, pumice, obsidian, andesite, white granite and basalt. Instruction leaflet included .

Item Code Age Guide Units/pack 5044 6 years 6

“Our kits are made of natural, untreated wood, from Forest Stewardship Council FSC) wood. We like to make innovative products that take time to make, work well, and look cool on the shelf. Yes, they are challenging, but without a challenge, where’s the fun? We hope you enjoy the kits we have to offer and welcome any questions you may have about them, or suggestions for new ones. (Our Leonardo da Vinci line of kits was in response to a request from the National Gallery in London and our Robotic Arm design was in response to a suggestion at a Science Venture camp meeting at the University of Victoria!)” Derek Wulff, Canada

Leonardo's catapult is adjustable and includes principles of stored energy, ratchets and is a show piece when assembled.

Box size (mm): 255 x 195 x 55. Assembled W: 160mm L: 450mm H: 420mm

Item Code Age Guide Units/pack 6703 14 years 1 Item Code Age Guide Units/pack 6704 9 years 1 Item Code Age Guide Units/pack 6705 9 years 1

With all components included, kids can build an Ornithopter at home. It moves beautifully, encourages kids to explore mechanics and looks great. Box size (mm): 390 x 165 x 55. Assembled (mm): 550 x 400 x 450 Leonardo da Vinci developed concepts for a giant ‘air screw’ late in the 15th century. This model is a realistic scaled representation of his design.

Box size (mm): 255 x 195 x 55 Assembled W: 100mm L: 720mm H: 300mm

Leonardo’s Emergency Bridge. Designed to be made quickly and removed by armies this is a simple kit, yet elegant in design.

Model size: 9.5cm tall x 24 cm across

Item Code Age Guide Units/pack 6718 7 years 1 Item Code Age Guide Units/pack 6719 14 years 1

This trebuchet is based on Leonardo's 15th Century drawing from the Codex Atlanticus Natural untreated wood and plywood. All pieces pre-cut. Parts are pegged for extra strength. Hurl clay balls (included) over 4 metres Box size (mm): 390 x 165 x 55. Model size: 62cm long and 32 cm high.

Model size 29cm long x 23 cm high The Roman catapult improved on the medieval design by the addition of torsion springs. Based on drawings and written records, this Catapult re-creates the way in which tension powered siege engines worked, and can fire the small clay balls (included) and other soft projectiles over 15 feet!

Model size 40cm long x 28 cm high The Roman Onager is a version of a Mangonel which uses a sling bucket to launch. This model re-creates the way in which torsion-powered siege engines worked, and can fire a small clay ball (included) and other soft projectiles over 15 feet! Like all Pathfinders’ kits, it is a fun and interesting build and it really works! Based on drawings and written records, this Trojan Horse model allows you to re-create one of the most epic tales of ancient Troy – although on a much smaller scale.

Item Code Age Guide Units/pack 6731 14 years 1 Item Code Age Guide Units/pack 6732 14 years 1 Item Code Age Guide Units/pack 6733 8 years 1

19 page booklet comes in three sections:

1. Instructions to assemble the Sky Surfer launcher 2. Interesting designs and tips to improve your airplane. 3. Information about flight and aerodynamics.

How do planes fly. Check out the science to help you understand how to perfect your designs.

Item Code Age Guide Units/pack 6735 14 years 1