Rock Tumbler by Thames & Kosmos Crocheting Learn about magnets and centrifugal

Learn about magnets and centrifugal force through play

using the kit's digging tool to unearth treasures from a tough plaster "rock"

Each colour cape comes with 6 markers

with ¾ inch

Set includes one adult figure

Rock Tumbler by Thames & Kosmos Crocheting Learn about magnets and centrifugalBudding geologists can easily transform rough stones into smooth, beautifully polished rocks! The powerful, long lasting motor is highly durable and the leak proof, noise reducing barrel aids in ease of use. Also includes a built in timer with various settings, allowing the tumbler to run for up to seven days! Kids ages 8 & up can start with the genuine rock samples that come with the kit including amethyst, aventurine, rose quartz, and more as well