Academy 18174 Rolling Ball Timer - Da Vinci Series No. 12 (Snap Kit)
Brand : Academy
$44.99
- SKU:
- 2785
Plastic Kitset
Academy 18174 Rolling Ball Timer - Da Vinci Series No. 12 (Snap Kit)
Da Vinci Machines - Educational
Note: Requires assembly. Snap together kit- no glue, paint or batteries required.
DESCRIPTION
The Rolling Ball Timer uses the law of motion, as well as the concept of gravity and kinetics to measure the passage of time.
