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Verken Nederland met 75 wandelroutes door Nederland aan de hand van gemarkeerde routes langs indrukwekkende bezienswaardigheden. Met app- en GPS-ondersteuning.

This book focuses on the food acquisition of river insects, functional morphological, and ethological and phylogenetic questions. It presents the diversity of life forms and their solutions to problems in dealing with specific environmental conditions.

The perfect photographic guide to the fantastic birds of Florida.

Give the bees a hand! Increase your harvest by using your Pollination Wand to spread your plants pollen throughout your garden.

This book provides the first concise biography of Humboldt, covering all periods of his life, exploring his personality, the vast range of his works, and his intellectual networks.

The Fenix TK26R is an excellent flashlight for ecological research and law enforcement with three light colors

This poster is for everyone, whether you are a serious birdwatcher or not. A lot of bird families are illustrated on this poster.

This guide describes and illustrates the species and subspecies of the primates of South America, Central America and Mexico. Featuring detailed descriptions, high-quality illustrations, and accurate distribution maps.

Make music with nature with this Huckleberry rainmaker.

A richly illustrated guide to the marvelously diverse plankton of the world and their fundamental role in planetary food webs

The present handbook is designed to provide for the first time an up-to-date standard work for Ephemeroptera identification, including last instar larvae (nymphs), subimago (dun), male and female imagines.

Velleman Metal Detector with a search depth of 12cm. This metal detector has a 16 cm search coil and an analog meter.

If you love our Classic T3 but want it to look like a well-seasoned traveler then The Wanderer is the hat for you.

Planktonium is a photo series by artist Jan van IJken about the invisible world of living microscopic plankton.

HI784 Checker Photometer for Ammonia in Seawater with Reagents and 2 Cuvettes

A 2 meter long diameter tape measure from Memolon consisting of a steel, white painted tape in an ABS case.

A strikingly illustrated photographic identification guide to sea slugs in all their colourful variety.

Het verhaal over de gedurfde expedities van een van de moedigste en bekendste wetenschapper van zijn tijd, Alexander von Humboldt.

Ultrasonic Mic Board mounted on a small PCB with response up to 80 kHz.

Aplanatic magnifier 6x20mm, doublet.

A pocket guide to all 470 amphibian and reptile species currently known to occur in Costa Rica, featuring 136 colour plates and more than 700 photographs.

This Carson Sewing Loupe With LED is a foldable standing loupe with 11.5 magnification and a 15mm lens, ideal for determining the dimensions of an insect.

A weatherproof data logger with external temperature and relative humidity sensors. leveraging Bluetooth for easy setup and data download.

The fine stage: the slide can be shifted by mechanical screws, for use with the DIPLE lenses.