l and technology for boys girls aged 14+ when Christmas, birthday
Features:
Product name:Perpetual calendar 3D wooden puzzle
Brand: ROKR
Theme: Perpetual calendar
Material: Wood
The number of pieces: 27 pieces
Age: 14+
Finished size: 17.5 x 9 x 14 cm
Product Features:
【Wood Puzzle 】 This is a perfectly designed DIY kit that requires your hands-on labor to complete. This mechanical wooden puzzle toy uses precision laser cutting of high quality plywood, which is safe and convenient.
【 Puzzle Design 】 This beautifully designed perpetual calendar allows you to calculate the day of the week for a specific date in the year 2018 to 2040.surprise your family, friends and colleagues with this mechanical perpetual
