Add on to counting skills with our bundled Nature Number Cards and Bamboo Number Set. Using these two learning tools together offers even more opportunities for educational play with matching, number tracing, counting objects, and more hands-on exploration.
Our beautiful sustainable Bamboo Numbers offer a whole new way to explore numbers and counting. Thick and sturdy pieces will hold up to play.
The beautifully illustrated nature inspired cards are designed to teach numbers in a fun and logical way. Use as flash cards, as well as a matching game that matches the number with the quantity.
Their modern style will keep them around till well after they learn their 123's!
Nature Number Cards: Printed on thick card stock with rounded corners and eco inks, these cards can withstand lots of use by little hands.
Bamboo Number Set: Comes with its own printed keepsake cotton bag for easy storage and gifting perfection. The wooden numbers measure 3 inches tall x 0.75 inches thick.
Unisex design, perfect for little girl or boy.
Gift Message available in Cart.
- WonderBee™ Pocket Fetal Doppler
- Ultrasound Transmission Gel
- 3MHz Doppler Probe
- 2 x AA Batteries
- Earphones
Built-in speaker and earphone plug
Three work modes: Real-time FHR display mode, averaged FHR display mode and manual mode
Probe inspection
Battery status indicator
Backlight LCD
Auto Shut-OFF: after 1 minute no signal, power off automatically
Suitable Using Range: suitable for use after the 12th week of pregnancy
Main performance
Anti-electroshock Type: Internally powered equipment
Anti-electroshock Degree: Type CF applied part
LCD Display: 45 mm × 25 mm
FHR Measuring Range: 50 BPM ~ 240 BPM (BPM: beat per minute)
Resolution: 1 BPM
Accuracy: ± 2 BPM
Power Consumption: <1 W
Voltage: DC 3.0 V
Power Supply:TWO 1.5V(AA size) Amazon Basic Batteries
Nominal Frequency: 3.0 MHz
Working Frequency: 3.0 MHz ± 10%
Negative Peak Sound Pressure : P_ < 1 MPa
Ultrasound Output Power: P < 20 mW
Working Mode: Continuous wave doppler
Physical Characteristic
Dimension: 135 mm(L) × 95mm(W) × 35 mm(H)
Weight: About 12 ounces (including batteries)