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Whether at home or on the go
helping children gain confidence and a sense of identity as they interact with others
Designed to support early music education
The bright yellow colour enhances visibility for easy supervision while making the trikes engaging for children
a curious and determined young animal (often imagined as a pup or similar)
Ball & Ring Gravesande's - Chain Type L1-Music & Movement-L2-Musical Instruments-L3-Drums & Bongos Whether at home or onThe Ball and Ring Gravesande's Apparatus (Chain Type) is a classic physics demonstration tool designed to show the expansion and contraction of metals with heat. At room temperature, the brass ball easily passes through the metal ring. Once the ball is heated, it expands and can no longer pass through the ring, visually demonstrating the principle of thermal expansion. This apparatus includes a brass ball and ring, both mounted on sturdy steel rods
US$ 118.50
US$ 18062.50
US$ 146.00
US$ 133597.00
